Master Sergeant Josh Gallahan, 36th Mobility Response Squadron, secures a tent line down, at Andersen Air Force Base, Guam, Feb 13, 2012. The MRS is part of the 36th Contingency Response Group which will be exercising with the Royal Australian Air Force and the Japan Air Self Defense Forces counterparts as part of the HADR exercise.(U.S. Air Force photo/Senior Airman Carlin Leslie)