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U.S. Air Force Col. David Berkland, the 354th Air Expeditionary Wing commander, and crew chiefs assigned to the 356th Expeditionary Fighter Squadron and 199th Expeditionary Fighter Squadron, conduct preflight operations during Agile Combat Employment training at Marine Corps Air Station Iwakuni, Japan, June 28, 2022. Operating under the 354th AEW, the 199th and the 356th Expeditionary Fighter Squadrons are at Iwakuni to refine fifth generation integration tactics, techniques and procedures. (U.S. Air Force photo by Senior Airman Jose Miguel T. Tamondong)