JUMP PREP Army Sgt. 1st Class William Baker yells instructions to paratroopers before they jump out of a MH-60 Black Hawk helicopter during a rotary-wing airborne exercise on Homestead Air Reserve Base, Fla., April 16, 2013. Baker, a jumpmaster, is assigned to Special Operations Command South. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 319899-U-NJI55-526.jpg Photo Gallery