180923-N-OS584-0107 ANDERSEN AIR FORCE BASE, Guam (Sept. 23, 2018) Aviation Ordnanceman 2nd Class Aj Macaraeg, assigned to Electronic Attack Squadron (VAQ) 138, waits for an EA-18G Growler to taxi in for a post-flight inspection during Valiant Shield 2018, onboard Andersen Air Force Base, Guam. Valiant Shield is a U.S.-only, biennial field training exercise (FTX) with a focus on integration of joint training among U.S. forces in relation to current operational plans. This training enables real-world proficiency in sustaining joint forces through detecting, locating, tracking and engaging units at sea, in the air, on land, and in cyberspace in response to a range of mission areas. (U.S. Navy Photo by Mass Communications Specialist 1st Class Jimmie Crockett/Released)