Green Gas Light A service member refuels a Marine Corps F-35B Lightning II as part of a weapons and tactics instructor course at Libby Army Airfield, Ariz., April 18, 2025. The seven-week course emphasizes operational integration of Marine Corps aviation supporting the Marine Air-Ground Task Force and joint and coalition forces. SHARE: Download: Full Size (1.86 MB) Tags: training, Marine Corps Credit: Marine Corps Lance Cpl. Fabian Ortiz VIRIN: 250417-M-AS625-1459P.JPG Photo Gallery