Dr. Samuel W. Casscells, Assistant Secretary of Defense for Health Affairs, talks to wounded soldiers returning from overseas as they remain strapped down on litters to prevent any further injuries during transport. (U.S Air Force photo/Senior Airman Jeff Andrejcik)

Lt. Gen. (Dr.) James Roudebush, Air Force Surgeon General, and Dr. Samuel W. Casscells, Assistant Secretary of Defense for Health Affairs, speak to wounded soldiers returning from overseas as Brig. Gen. Gar S. Graham, 79th Medical Wing commander, observes. (U.S Air Force photo/Senior Airman Jeff Andrejcik)