Most people run marathons to challenge themselves. Maj. George Kraehe runs them to challenge others.

Soldiers placed more than 220,000 small U.S. flags at Arlington National Cemetery to mark the start of Memorial Day weekend activities.

A House committee chairman charged Wednesday that the CIA and Defense Department jeopardized national security by cooperating too closely with filmmakers

Officials hoped to begin venting smoke and noxious fumes from a nuclear-powered submarine on Thursday so they could get inside to assess damage from an intense

A government official says a Pakistani doctor who helped the U.S. track down Osama bin Laden has been convicted of high treason and sentenced to 33 years in

The U.S. Embassy in Kabul says Ambassador Ryan Crocker will be leaving his post this summer.

The Pentagon says three civilian contractors helping train Yemen's coast guard were attacked in Yemen.

President Barack Obama says Afghanistan is on track to place the entire country's security under the lead of Afghan forces in 2013, relegating U.S.-led NATO

Crews assessed damage on a U.S. Navy assault ship and a refueling tanker that collided in the Pacific Ocean off California, after the steering apparently went

Mapping the way out of an unpopular war, the United States and NATO are trying to build an Afghan army that can defend the country after 130,000 international

Army leaders are launching a sweeping, independent review of how the service evaluates soldiers with possible post-traumatic stress disorder following recent

In an election-year challenge to President Barack Obama, House Republicans are pressing ahead with a defense budget that adds billions of dollars, boosts

The nation’s top military commander was in Virginia Beach Wednesday to speak at the Joint War Fighting Conference.

Defense Secretary Leon Panetta has limited the flights of the F-22 fighter jet to regions where pilots can quickly land the plane if they experience oxygen

Watch this heartwarming video of a young boy with cerebral palsy as he walks to his dad for the first time. Make sure you have your tissues ready.