Brothers in arms march for cause
Twelve special tactics Airmen conclude an 824-mile memorial rucksack march Oct. 16, 2009, at Hurlburt Field, Fla. The men marched from Lackland Air Force Base, Texas, to Hurlburt Field to honor Staff Sgt. Timothy Davis, a combat controller assigned to the 23rd Special Tactics Squadron when Field when he was killed in action Feb. 20, 2009, and 12 other fallen special operations forces members. (U.S. Air Force photo/Drew Buchanan)