English: A drone operated by Airmen with the 773d Civil Engineer Squadron flies over a training area while capturing aerial intelligence is support of a readiness and training exercise, Polar Force 20-1, at Joint Base Elmendorf-Richardson, Alaska, Oct. 8, 2019. Designed to test JBER’s mission readiness, Polar Force 20-1 is a two-week exercise that hones Airmen’s skills and experience when facing adverse situations. Airmen refined their contingency tactics, techniques and procedures in support of the Pacific Air Force’s Agile Combat Employment concept of operations. AgileCombat Support excellence yields multi-domain operations success. (U.S. Air Force photo by Alejandro Peña)