World pension problems growing
By Dar Haddix
UPI Business Correspondent
WASHINGTON, Jan. 30 (UPI) -- Japan's pension problems of the last 10 years are a good indicator of what other aging countries will be facing in the near future. However, the effect in the United States will probably be less severe as it is not aging as rapidly as some other developed countries.
"Read past news stories about Japan over the past decade and you will get a glimpse of what many other countries will be facing in the coming decade," World Economic Forum contributor Sylvester Schieber told United Press International.
Schieber, who recently returned from the World Economic Forum in Davos, Switzerland, is director of research at consulting firm Watson Wyatt Worldwide, and co-author of the International Pension Readiness Report, created in partnership between Watson Wyatt and the World Economic Forum.
Even with the best solutions, he said, in some cases workers will end up shouldering a bigger burden of the taxes, or retirees will have to endure much smaller pensions.
"In some countries the demographic outlook is so grim that is the case," Schieber said.
"The Japanese government has just tabled a proposal to reduce the replacement rate in its pension system from about 58 percent of final wages to 50 percent over the next 15 years or so, and to raise the payroll tax at the same time from about 15 percent of pay to 28 percent. Once again, Japan is an example of what many societies face. The United States should not (face such a problem) because of our very favorable demographics, unless our health care system blows up on us."
Though unpopular, pension reform is necessary in countries with below-replacement-level birth rates, the report said.
In some developed countries, like Japan, Spain and Germany, as well as countries like China, some Eastern European countries and former members of the Soviet Union, low birth rates mean that the elderly and retired population could grow to be as large or larger than the working population, increasing retirement system costs and possibly pitting workers against retirees, according to the report.
In fact, Japan's old age dependency ratio is expected to rise almost 90 percent between 2000 and 2030, the report said.
Another problem is how workers who receive public pensions view pension reform. Unlike the United States, where private pensions are more prevalent, in countries like Germany and Italy workers primarily receive public pensions, similar to U.S. Social Security.
Though pension reforms are necessary to cut costs -- in Italy, pensions account for about 14 percent of gross domestic product -- the government's efforts to push ahead with reforms have been met with resistance. Also, large public pensions discourage workers from saving more money themselves, the report said.
The problem is that people in these countries are used to thinking that governments, not people, finance pension programs, Schieber said.
"The fact of the matter is that people finance these programs through taxing mechanisms. Until policymakers start telling people the truth about the cost of these programs and who has to pay for it, there will be a reluctance to adopt adequate reforms," he said.
There are two pension systems -- pay-as-you-go (referred to as pay-go) and funded. The pay-go pension system is based on a percentage of a worker's earnings, while funded pensions builds up a fund sufficient to pay future benefits.
Birth rate is one consideration when constructing a national pension system. Another is productivity. A lower birth rate and lower productivity favors funded plans, while a higher birth rate and higher productivity favors pay-go plans. While the U.S. birth rate is lower than it was years ago, it has stayed higher than many developed countries due to immigration and relatively high fertility rates. Other factors are also important. For instance, the overall trend worldwide is toward lower retirement ages even as life expectancy increases, which can increase the burden on workers.
The U.S. Social Security system was set up as and still is a pay-go system, but as amendments in 1983 increased taxes and caused a fund buildup. It stands at about $1.3 trillion so far, which will probably rise to between $3 trillion and $5 trillion, but will be liquidated when baby boomers start retiring in 10-15 years. In other words, it has the appearance of being funded, but the surplus is only temporary. The current fund equals three years of payments, while a real funded system would contain 10-15 years of payments. Schieber and co-author John Shoven go into this in their book, "The Real Deal: The History and Future of Social Security."
Long-term, a mixed "pay-go" and funded pension system would be best for the United States, Schieber said.
"If we were simply talking about a retirement savings program, a funded system would be the most economically efficient. Since we have redistribution built into our system to protect low-wage workers, a mixed system is probably optimal." Redistribution results in larger benefits for the lower-paid than they could save for themselves. This enhancement must be paid by higher-paid workers.
Schieber also disagreed with claims by some experts that the low-skilled job base is expanding, and therefore no extraordinary measures to redistribute pensions would be necessary.
"If we start to grow low-skill jobs relative to high-skill activities, it will reverse the trend of more than 200 years. I do not believe we are going to do this unless our education system collapses.
"To an extent our income tax system subsidizes lower earners relative to higher ones. Beyond that, I do not believe we will get into a major income redistribution program ... our welfare reforms adopted during the Clinton administration go in just the opposite direction," he said.
One seeming paradox presented by the report is that raising the retirement age is one way countries are considering to boost labor forces depleted by retirees, along with enticing more young adults and women into the workforce -- but yet, recently many companies have laid off older workers or encouraged them to retire early to cut costs. Schieber said these phenomenon should not be confused, as one is related to individual companies' circumstances, while raising the retirement age is a macroeconomic issue.
Even with favorable long-term demographics, the effect of the large baby-boomer population beginning to retire in the next decade will bring stresses similar to those being felt in Japan and the other countries. In order to avoid a possible Japan replay in the United States, the changes recommended by the report will need to be made soon.
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Analysis: Environmental questions for LNG
By Hil Anderson
UPI Chief Energy Correspondent
LA JOLLA, Calif., Jan. 30 (UPI) -- The emergence of liquefied natural gas as a factor in the U.S. energy supply is a fairly new phenomenon as are the concerns raised by the environmental community.
Activists for the environment have begun to point out that there is no free lunch when it comes to the expanded use of LNG, and that even this clean-burning fuel can result in harm both in the United States and abroad.
"It is not enough to just say that LNG is a clean-burning fuel," said Atossa Soltani, a director of Amazon Watch who seemed somewhat out of place in her colorful feathered earrings among the button-down lawyers, government officials and energy executives attending the Institute of the Americas LNG conference.
"It can result in huge amounts of devastation to pristine areas as well as to human rights and cultures," she added, looking at the flipside of LNG's promise as supplement to the dwindling U.S. supply of natural gas.
Gas has long been popular with anyone concerned about reducing emissions in the air, primarily from power plants that have in the past burned coal and fuel oil. It is the task of drilling for gas in areas like the Amazon Basin or other ancient wildernesses that can muddy that view.
The greens have long been critics of the oil industry's involvement in the Amazon and other such remote regions due both to the heavy-industry nature of petroleum extraction and the often-lax environmental laws in other nations, which can result in the kinds of disruptions that has Soltani and other like-minded activists concerned.
Most energy companies stress their commitment to environmental protection, and many have taken steps to clean up their jungle operations. But Soltani told United Press International that she expected to see an awareness grow on the part of the public to the potential damage from increased gas production in the Amazon and similar wild locales.
She also cautioned that the rush to build LNG receiving terminals in the United States and Mexico could derail careful environmental and safety planning.
"Most people know that one or two plants will be built," she said in speaking about proposals to build LNG terminals in Mexico's Baja California. "But there will be a dozen proposals for the region. It's a race."
Bill Powers, a consulting environmental engineer in San Diego, concurred that a more cautious approach to the planning of LNG terminals in North America, particularly by local officials in the communities selected as sites.
"A lot of times, due diligence amounts to the developer coming in and telling you how wonderful their project is," said Powers, who was among the speakers at the LNG seminar at the University of California, San Diego campus.
As an engineer, Powers was more in tune with the safety aspects of LNG and is convinced that terminals in the United States should be located on offshore platforms rather than on lots in already-crowded urban seaports where scores of residents and workers would be effected by a worst-case accident or even an deliberate attack by terrorists.
"The predominant concern is one of safety and risk," he told UPI. "The concentration of these (planned) facilities is in populated areas."
Opposition has already cropped up in Long Beach to a proposed $400 million LNG terminal in Long Beach as well as projects in Maine and Mobile Bay in Alabama.
There has been one major fire associated with LNG in the United States. It occurred during World War II when an LNG tank in Cleveland ruptured due to metallurgical problems. The resulting fire cost 128 lives and left hundreds of people injured.
Present-day proponents of LNG say that engineering advances have largely eliminated the risk of a massive explosion, and they downplay chance of a terrorist attack by pointing out that LNG terminals are relatively small in size and are usually located in the vicinity of refineries and chemical plants that would offer a far more tempting target.
"Cleveland at least gave us an idea of what could happen if everything went to hell in a hand basket," Powers said. "This is what could happen."
All of those concerns, he said, could be avoided if more companies opted to build their LNG terminals on offshore platforms well away from people. At the very least, energy companies should be more upfront with the communities they plan to set up shop in rather than "rolling out their project and telling us to embrace it."
"LNG has been very confusing," Powers offered. "It's very easy to sell it to the public as a clean fuel. But when you get to matters of putting in LNG infrastructure, then these are big questions."
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Institute of the Americas LNG conference
LA JOLLA, Calif., Jan. 30 (UPI) -- The Institute of the Americas had a two-day conference at the University of California, San Diego this week on issues surrounding the anticipated boom in liquefied natural gas consumption in the United States, Mexico and Canada.
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Algeria blast shakes LNG boosters
The Jan. 19 explosion at an liquefied natural gas plant in Algeria was a coffee-break topic on everyone's mind as it highlighted safety issues that could throw a wet blanket on plans to build new LNG terminals in several U.S. and Mexican seaports.
The blast at the Sonatrach processing facility in Skikda killed 27 workers, injured several others and wrecked three of the plant's production trains to the tune of $800 million.
Attendees at the conference admitted the explosion could give LNG a black eye, but they pointed out that the explosion occurred in a boiler and did not involve any LNG.
The California Energy Commission went so far as to issue a report on the incident pointing to photographic evidence as proof that LNG was not involved.
"If LNG had been the fire's fuel, the fire would have been taller and less orange," it concluded. "Furthermore, the 'explosion' was a mechanical failure involving the steam system, not a chemical explosion."
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Homeland security may open door to LNG permits
The U.S. war on terrorism may actually have the side effect of easing the permit process for liquefied natural gas terminal projects in the United States.
A report by Pace Global Energy Services said the 2002 Maritime Transportation Security Act established the Coast Guard as the single point of contact for federal permits for offshore LNG terminals.
Offshore platforms where LNG tankers can discharge their frigid cargoes are seen as a handy means of handling LNG in both U.S. and Mexican waters of the Gulf of Mexico because it allows tankers to avoid crowded harbors and offload well away from population centers.
Another regulatory change cited by Pace was the FERC's 2002 decision not to require terminal operators to allow open access to their facilities, and to allow the negotiation of market-based rates rather than the lower cost-of-service rates.
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Mexico, Canada also looking to LNG
The turn toward greater use of liquefied natural gas is not strictly an American phenomenon.
Mexico is also planning to add LNG to its domestic energy mix as well as linking up to the U.S. market.
Mexico's undersecretary for hydrocarbons, Francisco Barnes told United Press International that plans to build 1-3 LNG terminals in Baja were being formulated with both Mexican and U.S. customers in mind. The possibilities include both cross-border gas shipments and the fueling of power plants in Mexico that would sell electricity into California.
"There is enough of a market in both Mexico and the Southwestern United States to support two (projects)," he said.
Barnes predicted that Canada would also become a regular LNG importer because of projections that western Canadian gas fields won't be able to expand production enough to meet growing gas demand in the United States.
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Fluor touts new technology to supply gas-powered vehicle fuel
Fluor Enterprises, a California-based engineering firm, is pitching a new liquefied natural gas processing technique it says will result in a significant increase in the supply of natural gas suitable for use in LNG and compressed natural gas vehicles.
The technology is referred to as the "integrated LNG regasification process," and is designed to reduce the energy consumption of current regasification techniques, and produce more vehicle-spec fuel at a lower cost.
Fluor said most LNG doesn't meet vehicle-fuel requirements for methane and ethane content.
The new process eliminates that problem, which could pay off handsomely for an LNG supplier in a location such as California, where demand for LNG fuel for cars and trucks is expected to grow from 50,000 gallons per day currently to 350,000 gallons per day in 2010.
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LNG's growth won't be that rapid
The growth of liquefied natural gas imports to North America is poised to take off, but at least one consulting firm was cautioning that the benefits wouldn't be seen for several years.
Scotland's Wood Mackenzie is predicting that the United States will probably see gas supplies increase and prices fall this year and next, but one of the company's executives Friday called it the "calm before the storm."
"After 2005, we don't see the ability to keep up with demand," Ron Kapavik, senior vice president of Wood Mackenzie's Houston office, told UPI.
Kapavick said his company had concluded that while the natural gas supply situation in the United States had improved in recent months, production in the deeper and more challenging waters of the Gulf of Mexico could be expected to tail off in the near future as prices on the well-supplied gas market decline.
Kapvick said Wood Mackenzie was expecting natural gas to dip to around $4.25 MMBtu this year and climb to around $4.50 next year as deep-water Gulf of Mexico production declines.
Given the ballpark 3-year time frame to build a receiving terminal, the United States won't be seeing much help from LNG imports until nearly the end of the decade.
Most experts agree that the heavy degree of investment needed to establish an LNG operation in the United States is leaving the field to the major companies such as Shell, ExxonMobil and ChevronTexaco.
Wood Mackenzie and other analysts are predicting that once LNG becomes a permanent component to the U.S. energy mix toward the end of the decade, it could pressure natural gas prices at the benchmark Henry Hub into the $3-$4 per MMBtu range -- that's right about the $3.50 MMBtu threshold many in the industry peg as needed to make LNG profitable in the United States.
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Analysis: Medicare costs hard to predict
By Ellen Beck
United Press International
WASHINGTON, Jan. 30 (UPI) -- The Bush administration's cost estimate for the new Medicare drug law is almost $140 billion more than the Congressional Budget Office's projection and one reason may be an optimistic expectation of how many beneficiaries will join a new managed care option in the senior health insurance program.
The White House released the OMB estimate Thursday, the first time it actually pegged a number to the new, 10-year reform that brings prescription drugs to Medicare and adds new managed care options.
The Bush administration, in fact, carefully avoided the subject until now. Instead, it allowed the Congressional Budget Office's non-partisan evaluation that the bill would cost $395 billion to carry the legislation through Congress.
Thought the actual paperwork has not yet been released, analysts, lawmakers and administration sources have blamed the increase on a variety of possibilities -- everything from the potential cost of drug coverage to rising numbers of Medicare beneficiaries as the baby boomers retire.
Throughout the Medicare debate, from June through December last year, when President Bush signed the law, there has been a continual difference of opinion between the administration -- via the Centers for Medicare and Medicaid Services -- and CBO over the potential success of adding preferred provider organizations to the managed care mix that now mainly includes HMOs.
CMS optimistically predicted 30 percent or more of the nation's 41 million Medicare beneficiaries likely would accept the new PPO option.
The CBO, however, looking at the marginal success of the Medicare+Choice HMO program -- which at its best garnered 13 percent of the senior population -- said the number more likely would top out at around 15 percent. It pegged spending on Medicare Advantage at only $14.2 billion over the 10-year span.
Hence, said Joseph Antos, Wilson Taylor Scholar at the American Enterprise Institute in Washington, the cost of the entire Medicare Advantage program -- under which the managed care options function -- would be higher under the White House forecast.
Even with that explanation, both numbers still are "a guess" and that "discrepancies are the name of the game with budgets," Antos, a former assistant director for health and human resources at CBO, told United Press International.
Grace-Marie Turner of the Galen Institute in Washington, a non-profit free-market health policy research organization, said in briefing paper issued Friday there often are disagreements between the CBO and OMB.
"The difference is in the assumptions the actuaries use in their computer modeling," Turner wrote, and added it is almost impossible to predict what the 41 million Medicare seniors will do.
Antos said when Bush releases his fiscal 2005 budget on Monday, it will be interesting to see how the numbers look for the new Health Savings Accounts, originally forecast at $7 billion via the tax breaks they offer.
People who do not have group health insurance can open a HSA to save money tax free for medical expenses. The HSA must be accompanied by the purchase of a private, high-deductible -- and lower cost -- health insurance plan. The idea is the money in the account can be used to pay for medical services not included in the less-generous coverage.
Another tax-free savings plan originally included in the House Medicare bill was called Health Savings Security Accounts, which could be set up by anyone either uninsured or covered by a health plan with an annual deductible of at least $500, or $1,000 for family coverage. Antos said Democrats and Republicans alike were concerned about the $160 billion price projected for the HSSAs so the idea was dropped.
Antos said he would not be surprised if projections for the number of HSAs rise -- increasing the cost of that program as well. Though HSAs did not receive a lot of attention prior to the new law's passage, the administration actively has been promoting them since the first of the year.
The $140 billion discrepancy in cost projections probably is more of a political football for Republicans and Democrats who are unhappy with the Medicare law. Conservative Republicans and some Democrats who argued the $395 billion price tag was too low now can enjoy a big "I told you so."
The Bush administration, in fact, stands to suffer potentially significant fall-out from the Republican Party's conservative wing, which really did not want the Medicare drug law in the first place. When faced with the inevitable, they tried to impose provisions that would force the government to cap spending should Medicare expenditures reach a certain level.
Some Democrats also have used the new budget estimate to renew calls to change the law. They want to allow the Department of Health and Human Services to negotiate the lowest prices with pharmaceutical companies for Medicare drugs to lower costs for the government.
A letter sent this week from the CBO's Douglas Holtz-Eakin to Senate Majority Leader Bill Frist, R-Tenn., indicated such a provision would not make much of a difference.
At Frist's request, CBO looked at the effect of removing the so-called "non-interference" clause and concluded it would have a "negligible effect on federal spending."
Holtz-Eakin wrote that CBO estimates the private health plans participating in the Medicare Advantage and Part D program will obtain substantial savings, so the HHS secretary "would not be able to negotiate prices that further reduce federal spending to a significant degree." He said because the private plans will be at a substantial financial risk in offering the drug coverage, they will have strong incentives to negotiate the lowest prices.
Scott McClellan, White House press secretary, was grilled by reporters Friday but did not answer directly questions about why Bush did not know last fall, before he signed the Medicare bill into law, about the government's projections were for the bill.
"You have to keep in mind that these are estimates of something that is very difficult to estimate, I guess is the best way to put it," McClellan said. "But there are hundreds of assumptions that you make when you make those estimates. And, obviously, changes in one or two of those assumptions can significantly impact those estimates."
He said putting the increase in perspective it would amount to only about 2 percent of the estimated cost of Medicare and Medicaid over the 10-year period.
Ellen Beck is Healthcare Correspondent for UPI Science News. E-mail ebeck@upi.com
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>> MILITARY POST...
Jamming devices help stave off roadside explosives
By John J. Lumpkin
Associated Press
Soldiers riding in convoys in Iraq are relying on electronic "jammers" to help protect against the roadside bombs insurgents have used to deadly effect.
The anti-bomb technology isn't perfect, however. In some cases it only delays a bomb from detonating, so it can still explode and kill bystanders.
It's unclear how widely the jammers -- the same technology that saved Pakistan's leader from a recent assassination attempt -- are being used in Iraq.
Gen. Peter J. Schoomaker, the Army's chief of staff, acknowledged their use in testimony this week before the House Armed Services Committee, but he declined to discuss the bomb defenses in detail. The military does not want to provide useful information to Iraqi insurgents, officials say.
Rep. Gene Taylor, D-Miss., suggested few are being used.
"The Iraqis have figured out if they hit that detonator enough times, they're going to kill a vehicle that does not have a jammer," Taylor told Schoomaker. "The percentage of vehicles that have some form of electronic jammer -- it is minuscule, and I know it, you know it, and the Iraq insurgents know it."
But Schoomaker said protection doesn't depend on universal use.
"Every vehicle doesn't have to be equipped," he said. "You have to have groups of vehicles that have that kind of capability, under an umbrella."
The jammers work by preventing a remotely transmitted signal -- say, rigged from a cell phone -- from detonating an explosive when the bomber presses the button. Depending on the distance, power and design of the jammer, some might prevent the bomb from going off. Others might instead set it off before or after the convoy passes -- potentially wreaking havoc on bystanders.
Roadside bombs have been primary killers of U.S. troops in Iraq. Many go off under passing convoys, killing or injuring the occupants of one of the vehicles.
But in some cases, they have gone off only after a convoy has passed.
That can be a sign that a jammer on one of the vehicles did its job, said James Atkinson, head of the Granite Island Group, a Gloucester, Mass.-based security and counterespionage firm.
Anti-bomb jammers have been in use since the early 1980s, Atkinson said.
Military aircraft have used them for decades, and versions of anti-jamming technology are advertised on the Internet. It's unclear if those versions are effective, however.
Depending on their sophistication, jammers can cost from hundreds to millions of dollars. Most can be powered by a car engine.
Some work by transmitting on frequencies that bombers are known to use. Guerrillas frequently rig remote-controlled detonators out of garage door openers, car alarm remotes or cellular phones, Atkinson said.
Others, called barrage jammers, put out signals on a wide range of frequencies, he said. These will knock cellular phones and CB radios off the air in a given area.
Both kinds can cause a premature or late detonation of a bomb, or prevent it from going off entirely.
"When you see a car bomb that goes off several blocks away from its intended target, it's usually a dead giveaway it was jammed," Atkinson said.
Jamming devices carried in the motorcade of Pakistan's President Pervez Musharraf delayed the detonation of a huge bomb that exploded moments after his limousine passed over a bridge near the capital Dec. 14, Pakistani intelligence has said.
Since then, Pakistan has imported more jamming devices for security of VIPs, a senior government official told The Associated Press on the condition of anonymity Thursday. He refused to give further details, including where the devices were imported from, citing security reasons.
In Israel, a special unit in the Ministry of Defense developed jamming technology in the early 1990s and used it extensively in southern Lebanon in the mid- to late 1990s in an effort to neutralize roadside charges placed by Hezbollah.
It is unclear what defenses exist against other kinds of bombs, such as those that rely on timers or are hard-wired to a switch. Pakistani officials claimed their jamming devices also interrupted a timer.
In Iraq, employing the jammers is one of a number of steps the military is taking to protect vehicles and soldiers. Others include deploying a more heavily armored Humvee and giving soldiers improved body armor.
"We've taken some major moves there that are paying off, in my view." Schoomaker said.
In Baghdad, a military official said the Iraqi bombs have varied widely in sophistication.
"Our soldiers have become ... very adept at noticing, observing," said Brig. Gen. Vincent Boles, commander of the 3rd Corps Support Command. "We're discovering more than are exploding."
Guidelines issued for homemade vehicle armor
By David A. Lieb
Associated Press
JEFFERSON CITY, Mo. -- Responding to soldiers' fears of roadside bombs and sniper bullets in Iraq, the Pentagon has issued new guidelines on how military trucks and Humvees can be customized with homemade armor.
The guidelines come after several deploying Army Reserve or National Guard units took it upon themselves to get extra armor for their vehicles, only to learn that they would have to go through official channels and testing before they could use it.
While not encouraging Army units to buy their own armor, the military is acknowledging it's an option, Maj. Gary Tallman, a Pentagon spokesman for Army weapons and technology issues, said Thursday.
An Army field manual published in 1997 contains basic guidance for "vehicle hardening," describing how to use sand bags for protection and explaining some of the mechanical problems that can result from being weighed down by extra armor.
New guidance was e-mailed during the past week to Army commanders, detailing what types of materials units should buy, where they can get the supplies and how they can get their specific armor designs tested for use, Tallman said.
The Army's updated procedures were prompted partly by the Jefferson City-based 428th Transportation Company, which in December turned to a local steel fabricator to make steel plating for its five-ton trucks and Humvees.
Like many transportation companies, the unit's vehicles have thin metal floorboards and, in some cases, canvas doors that aren't designed for combat.
Tallman said at least two units already in Iraq also have made their own armor for vehicles.
The Army is trying to produce more than 4,000 heavily armored Humvees for duty in Iraq, but that may take until 2005. The Army also has ordered 8,400 add-on kits that will provide armor protection to ordinary Humvees and can be installed in the field. Officials expect to have all the kits delivered before year's end.
Fatal Afghan blast under investigation
By Amir Shah
Associated Press
GHAZNI, Afghanistan -- The U.S. military Friday was investigating whether an explosion at a weapons cache that killed seven soldiers and wounded three was an accident or an attack.
Thursday's blast -- one of the deadliest for U.S. forces since they deployed here two years ago -- also left another soldier missing and wounded an Afghan interpreter.
Afghan officials called it an accident, but Lt. Col. Bryan Hilferty, a spokesman at U.S. military headquarters in Kabul, said its investigators were still looking into the explosion.
The blast occurred as the soldiers worked around the cache of rifle ammunition and mortar rounds in the village of Dehe Hendu, about 90 miles southwest of the capital, Kabul, in Ghazni province.
Hilferty said nothing indicated "active enemy activity" at the site of the explosion, but said investigators were exploring the possibility that "it could have been a booby-trap."
He said it was unclear whether the soldiers were handling the weapons, which he said included rifle ammunition and mortar rounds. He gave no details of where the weapons were concealed.
Ghazni province Gov. Haji Asadullah Khan said the blast was set off by mistake as the soldiers were trying to defuse arms at an old weapons depot found in an open area.
"I'm sure it wasn't a plot by the Taliban," Khan said. "We know the area and the people are good."
The deaths come at the end of a bloody month that has underlined the danger and instability still plaguing Afghanistan two years after a U.S.-led invasion ousted the hard-line Islamic Taliban regime for harboring Osama bin Laden and the al-Qaida network.
Coalition soldiers regularly uncover and destroy caches of weapons, much of it dating back to the U.S.-backed mujahedeen resistance against the Soviet occupation in the 1980s. Residents often lead military units to the caches -- a sign, the military says, that it is winning the confidence of Afghans tired after almost a quarter-century of strife.
The wounded soldiers were evacuated to a hospital at Bagram Air Base, the main camp of the U.S.-led coalition in Afghanistan. Hilferty said the three soldiers and the interpreter were released after treatment.
Names of the victims were not released.
This month alone, about 80 people have died in violence in Afghanistan, including civilians, militants, police officers, international peacekeepers and American soldiers.
Only 16 U.S. soldiers died in the initial combat in Afghanistan in 2001, but the death toll earlier this month from all anti-terrorist missions worldwide under Operation Enduring Freedom reached 100 -- of those about two-thirds in Afghanistan, half in combat and the rest in accidents.
The United States provides 9,000 of the 11,000-member anti-terror coalition troops stationed in Afghanistan. Officials say U.S. forces are preparing a spring offensive against Taliban and al-Qaida holdouts amid concern that operations in Afghanistan haven't been as effective in breaking up terrorist networks as they had hoped.
Hilferty said Thursday that the U.S. military is "sure" it will catch bin Laden -- chief suspect in the Sept. 11, 2001, attacks that sparked the U.S.-led invasion of Afghanistan -- this year, perhaps within months.
Separately, investigators also are sifting through evidence from suicide bombings that killed British and Canadian soldiers in Kabul earlier this week. The Taliban has claimed responsibility for both blasts, alleging they are the start of a bombing campaign across the country.
British troops held a memorial Thursday for Pvt. Jonathan Kitulagoda, 23, of Plymouth in southwest England, killed the day before by a suicide bomber.
Kitulagoda was killed when a suicide bomber detonated a taxi next to an unarmored jeep. Four other British soldiers were wounded. That attack came a day after a Canadian soldier was killed in a similar suicide attack.
Copyright 2003 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.
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