Paratroopers from the U.S. Army, Navy, Marines and Air Force prepare to do a static line jump from a C-130H2 aircraft belonging to the 136th Airlift Wing, Texas Air National Guard during a joint airborne air transportability training at McDill AFB, Fla., Nov. 15, 2013. The paratroopers jumped from 1,000 feet above ground level. (Air National Guard photo by Senior Master Sgt. Elizabeth Gilbert/released)