Jumpmaster Signal An Army jumpmaster, left, receives the, “all OK jumpmaster," from a paratrooper, signaling each soldier is prepared to conduct a static-line parachute jump over a drop zone on Eglin Air Force Base, Fla., Jan 13, 2016. Army photo by Staff Sgt. William Waller SHARE: Download: Full Size (1.95 MB) Tags: Photo Essays, Soldiers, Army, All images Credit: Staff Sgt. William Waller VIRIN: 160113-A-DZ324-042.JPG Photo Gallery