Two Branches, One Mission: Airmen and Marines Hone Skills Together
Air traffic controllers from the Marines Air Control Squadron 4 and the 51st Operations Support Squadron work together with training mobile operations at Osan Air Base, Republic of Korea, April 26, 2021. The MACS-4 team arrived to train Osan’s air traffic controllers on the procedures of controlling from outside the tower. (U.S. Air Force photo by Staff Sgt. Douglas Lorance)

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Photo by: SSgt Douglas Lorance |  VIRIN: 210426-F-QC626-1049.JPG