An E-3 Sentry Airborne Warning and Control System aircraft taxis into place Jan. 25 after returning from a mission at Joint Base Pearl Harbor-Hickam, Hawaii, while a passenger airplane prepares to land in the background. Reservists from the 513th Air Control Group deployed to the Hawaiian Islands to provide command and control for Sentry Aloha 17-01, a primarily Reserve and Air National Guard exercise that involves more than 40 aircraft and 1,000 personnel. (U.S. Air Force photo by 2nd Lt. Caleb Wanzer)