SecAF visits Osan Air Base Published March 21, 2023 By MSgt. Joshua Garcia and Staff Sgt. Dwane Young 51st Fighter Wing Public Affairs Osan AIR BASE, Republic of Korea. -- Secretary of the Air Force Frank Kendall, arrives at Osan Air Base, Republic of Korea in a C-37 on March 19, 2023. Kendall met with leadership from United States Forces Korea, 7th Air Force and ROK Air Force for an immersion tour.