Airmen from an RQ-4B Global Hawk aircraft maintenance unit welcome an RQ-4B after a flight Mar. 8, 2015, in Southwest Asia, in which the aircraft surpassed 10,000 flying hours. The RQ-4B aircraft 2019, or A2019, was the first block 20 and first RQ-4B model to arrive here Oct. 16, 2010. During its service, the aircraft has been providing support to warfighters by relaying communications between people and aircraft as well as enabling airstrikes on the Islamic State of Iraq and the Levant. (U.S. Air Force photo/Tech. Sgt. Marie Brown)