7 AF leadership visits Osan AB Defenders Published Dec. 21, 2022 By Master Sgt. Kenneth W. Norman 7th Air Force, Public Affairs OSAN AIR BASE, Republic of Korea -- U.S. Air Force Lt. Gen. Scott Pleus, 7th Air Force commander and U.S. Air Force Chief Master Sgt. Alvin Dyer, 7th AF command chief, visited 51st Security Forces Squadron members, Dec. 21, 2022, at Osan Air Base, Republic of Korea. Pleus and Dyer visited various units within the 51 SFS to gain a better understanding of their capabilities and to highlight high-performing members. During their visit, 7 AF leadership had the opportunity to view a military working dog demonstration, as well as fire the M-18 pistol.