Staff Sgt. Tanner Derosier hoists a 45-pound hose up a five-story tower. Staff Sgt. Tanner Derosier, a firefighter with the U.S. Air Force Academy, Colo., hoists a 45-pound hose up a five-story tower during the two-day regional Firefighter Combat Challenge at the academy's Falcon Stadium on June 27, 2009. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 462245-C-TUZ69-338.jpg Photo Gallery