U.S. Air Force Brig. Gen. John Schutte, Fifth Air Force deputy commander, provides opening remarks on day one of the Japan-U.S. Testbed exercise at Yokota Air Base, Japan, Nov. 4, 2025. JUST is a scenario-based joint and bilateral Integrated Air and Missile Defense exercise involving Pacific Air Forces, U.S. Forces Japan, Japan-Joint Operations Center, and Japan Air Defense Command aimed at enhancing IAMD operations in Japan. (Photo by Staff Sgt. Spencer Tobler/U.S. Air Force)
YOKOTA AIR BASE, Japan -- Integrated Air and Missile Defense (IAMD) specialists from Japan and U.S. military units successfully conducted the first ever Japan – U.S. Testbed (JUST) from U.S. Forces Japan and 5th Air Force spaces at Yokota Air Base, 4-7 November 2025.
