Tech. Sgt. Derek Wheeler, a boom operator with the Hawaii Air National Guard, prepares for the second sortie of the 96th Air Refueling Squadron's first operational refueling mission, Dec. 15, 2010, at Joint Base Pearl Harbor-Hickam, Hawaii. During the mission, a 96th ARS KC-135 Stratotanker joined a KC-135 from the Iowa Air National Guard as part of a two-ship formation to refuel two B-52 Stratofortresses on their way to Guam. (U.S. Air Force photo/Airman 1st Class Lauren Main)