ATC
Master Sgt. Shelby Goetzman, 36th Operations Support Squadron chief controller, logs in mission information on Andersen Air Force Base, Guam, April 23, 2015. Andersen air traffic controllers work with deployed aircraft and occasionally foreign aircraft to support Andersen’s mission on a daily basis. (U.S. Air Force photo by Airman 1st Class Alexa Ann Henderson/Released)