Gen. Mark A. Milley, Chairman of the Joint Chiefs of Staff, receives a greeting from Col. Joshua Wood, 51st Fighter Wing commander, and Chief Master Sgt. Justin Apticar, 51st Fighter Wing command chief, at Osan Air Base, Republic of Korea, Nov. 30, 2021. Milley, who will meet with senior leaders to reinforce the US-ROK alliance and the shared defense of the peninsula, also toured the base and discussed mission readiness with base leadership during his visit. (U.S. Air Force photo by Staff Sgt. Douglas Lorance)