A U.S. Air Force staff sergeant assigned to the 633rd Logistics Readiness Squadron oversees cargo movement after the French air force’s arrival prior to the inaugural Trilateral Exercise, at Langley Air Force Base, Va., Dec. 1, 2015. The three nations are partnering together to allow for greater interoperability in modern highly-contested, anti-access/area denial environments. (U.S. Air Force photo by Senior Airman Aubrey White)