C-17 Globemaster IIIs participate in a four-ship, airdrop training mission Aug. 13 over the island of Oahu, Hawaii. The C-17s are assigned to the from the 535th Airlift Squadron from Hickam Air Force Base, Hawaii. The 535th AS aircrews conducted the multi-element training to maintain currency and proficiency. (U.S. Air Force photo/Tech. Sgt. Shane A. Cuomo)