A corpsman simulates pumping air into Lance Cpl.Adam C. Stall, a military policeman with Security Company, 2nd Supply Battalion, 2nd Marine Logistics Group (Forward), during an immediate action training exercise, May 14, aboard Camp Al Taqaddum, Iraq.The monthly exercise tested the Marines' immediate action skills during three scenarios; finding a lost Marine, searching for a possible improvised explosive device and reacting to an explosion that resulted in casualties.