US Defense Secretary Robert Gates announced a thorough investigation into the Fort Hood shootings to examine if warning signs were missed and to ensure such a rampage never happens again.

Pentagon launches quick hunt for more Hasans, longer look at possible lapses in Fort Hood case. The Pentagon said Thursday it will scour its procedures for identifying volatile soldiers hidden in the ranks following the Fort Hood shooting rampage and lapses that might allow others to slip through bureaucratic cracks.

The CIA provides hundreds of millions of dollars to Pakistan's spy service, including payments for the capture or killing of wanted militants, a US newspaper reported, citing unnamed officials and former officials.

The CIA provides hundreds of millions dollars to Pakistan's spy service, including payments for the capture or killing of wanted militants, a US newspaper reported, citing unnamed officials and former officials.

Top military officer Admiral Mike Mullen said on Tuesday that US forces were under strain from fighting wars in Afghanistan and Iraq but were not at a "tipping point."

Suicides in the US Army are headed to a new record this year but it remains unclear if repeated combat tours in Afghanistan and Iraq are causing more soldiers to take their lives, a top general has said.

WASHINGTON (Reuters) - Suicides in the U.S. Army will hit a new high this year, a top general said on Tuesday in a disclosure likely to increase concerns about stress on U.S. forces ahead of an expected buildup in Afghanistan.

WASHINGTON (Reuters) - Suicides in the U.S. Army will hit a new high this year, a top general said on Tuesday in a disclosure likely to increase concerns about stress on U.S. forces ahead of an expected buildup in Afghanistan.

The Pentagon said Thursday it will scour its procedures for identifying volatile soldiers hidden in the ranks following the Fort Hood shooting rampage and lapses that might allow others to slip through bureaucratic cracks.

US Defense Secretary Robert Gates announced Thursday a thorough investigation into the Fort Hood shootings to examine if warning signs were missed and to ensure such a "tragedy" never happens again.

Pentagon chief rejects Afghan withdrawal timelines, says defeat would be `huge setback' to US. Defense Secretary Robert Gates says it's a mistake to set a deadline to end American military action, as some liberals have sought, and that a defeat would be disastrous for the U.S.

The US commander in Afghanistan has asked for a dramatic troop buildup in Afghanistan, a top lawmaker said Sunday, as President Barack Obama faced competing advice over war strategy.

The US commander in Afghanistan has asked for a dramatic troop buildup in Afghanistan, a top lawmaker said Sunday, as President Barack Obama faced competing advice over war strategy.

WASHINGTON (Reuters) - Top Pentagon officials are calling for an end to the U.S. military's historical ban on allowing women to serve in submarines.

The Pentagon said Monday that the top US military commander in Afghanistan was not complaining when he said he had spoken to President Barack Obama just once in the past 70 days.

NATO's secretary general says more Afghan training and equipment needed for conflict. NATO's secretary general on Monday said "things are going to have to change" in Afghanistan for the United States and its international allies to win the stalemated war.

NATO's secretary general says more Afghan training and equipment needed for conflict. NATO's secretary general on Monday said "things are going to have to change" in Afghanistan for the United States and its international allies to win the stalemated war.

A senior US lawmaker and close ally of President Barack Obama called Tuesday for the top military commander in Afghanistan to testify before Congress on the nearly eight-year-old war.

More than 20 Taliban were killed in a massive operation in western Afghanistan, the interior ministry said Wednesday, as the United States considers sending more troops to battle a worsening insurgency.

More than 20 Taliban were killed in a massive operation in western Afghanistan, the interior ministry said Wednesday, as the United States considers sending more troops to battle a worsening insurgency.