Jon Stewart, writer and comedian, maneuvers himself via a piece of heavy equipment during the vehicle rodeo portion of the USO Spring Tour at Yokota Air Base, Japan, April 22, 2018. Each year the USO produces more than 50 entertainment tours, teaming up with stars like Jon Stewart to bring shows to hundreds of thousands of American service members around the world. (U.S. Air Force Photo by Airman 1st Class Matthew Gilmore)