A Japan Air Self Defense Force member inspects a piece of machinery during a 374th Civil Engineering Squadrons Rapid Airfield Damage Repair demonstration Dec. 6, 2016, at Yokota Air Base, Japan. The purpose of the RADR demonstration is to share capabilities and techniques with JASDF members in the event of an airfield attack and to promote bilateral engagement between the U.S. and Japan. (U.S. Air Force photo by Airman 1st Class Donald Hudson/Released)