USO Event Deployed service members pose for a photo after a USO event in East Africa, Nov. 12, 2020. The USO was formed in 1941 as a response to President Roosevelt's call for a civilian organization to boost the morale of U.S. troops during WWII. SHARE: Download: Full Size (1.91 MB) Credit: Air Force Tech. Sgt. Dana J. Cable VIRIN: 201112-F-XB934-1255.JPG Photo Gallery