U.S. Air Force personnel prepare a B-1B Lancer aircraft with the 337th Test and Evaluation Squadron for an early morning sortie at Andersen Air Force Base, Guam, Sept. 23, 2018, during Valiant Shield.
Exercise Valiant Shield is a biennial, U.S. only, 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. Marine Corps photo by Staff Sgt Scott M. Schmidt) www.dvidshub.net. Original public domain image from Flickr