Senior Airman Travis Krause, a crew chief with the 507th Aircraft Maintenance Squadron at Tinker Air Force Base, Okla., prepares to remove the boom nozzle from a KC-135R Stratotanker in order to connect a drogue adapter and drogue. More than 40 ships and submarines, 200 aircraft and 25,000 personnel from 26 nations will participate in RIMPAC from June 30 to Aug. 4 in and around the Hawaiian Islands and Southern California. (U.S. Air Force photo/Master Sgt. Grady Epperly)