Crew chiefs assigned to the 509th Aircraft Maintenance Squadron prepare to launch a B-2 Spirit at Andersen Air Force Base, Guam, Aug. 12, 2015. Three B-2s and about 225 Airmen from Whiteman Air Force Base, Missouri, deployed to Guam to conduct familiarization training activities in the Indo-Asia-Pacific region. (U.S. Air Force photo by Senior Airman Joseph A. Pagán Jr./Released)