Global Hawk, global mission
A maintainer reviews a post-flight checklist for an RQ-4 Global Hawk unmanned aircraft following a mission in Southwest Asia. Navy pilots are about to join Air Force pilots in operating the Global Hawk at deployed locations and the first class of Navy pilots is at Beale Air Force Base, Calif., to learn this unmanned aircraft system. (U.S. Air Force photo/Master Sgt. Jason Tudor)