Air Force Pulls CV-22 Osprey from Exercise with Japan to Focus on ‘Internal Training’ July 25, 2024 | By Unshin Lee Harpley Yokota Air Base will not fly its CV-22 Ospreys in a joint training exercise between U.S. and Japanese forces starting this weekend. U.S. Marine Corps and Japan Self-Defense Force Ospreys will participate in the exercise from July 28 to Aug 7.