From left, U.S. Air Force Master Sgt. Guenther Bogensperger, 820th RED HORSE Squadron Airborne flight airborne water and fuels systems maintenance superintendent, receives a Jumpmaster Pre-inspection from Tech Sgt. James Spreter, 6th Combat Training Squadron joint terminal attack controller instructor, prepare to board a C-130 Hercules during a jump mission Oct. 4, 2011, at Nellis Air force Base, Nev. RED HORSE and 6 CTS airmen perform airdrop mission to stay current on training and certifications, enabling them to perform jump missions and operate their own drop zones.