USO Stop Air Force Gen. Paul J. Selva, vice chairman of the Joint Chiefs of Staff, greets members of the 374th Civil Engineer Squadron fire apparatus at Yokota Air Base, Japan, April 22, 2018. Yokota Air Base was the first stop on the annual Vice Chairman’s USO Tour. DoD photo by Army Sgt. James K. McCann SHARE: Download: Full Size (1.59 MB) Credit: Sgt. James K. McCann VIRIN: 180422-D-SW162-1196C.JPG Photo Gallery