Special tactics Airmen walk during the Tim Davis
Memorial March at Lackland Air Force Base, Texas, Oct. 17, 2011. The
march honors fallen special tactics Airmen and consists of six three-man
teams relaying from Lackland AFB to Hurlburt Field, Fla. Each three-man
team will walk about 144 miles while carrying 50-pound rucksacks.
Video by 3rd Combat Camera Squadron, Lackland Air Force Base