DEFENDER is the Army’s largest annual opportunity to exercise moving personnel and equipment into theater across modes for initial and follow-on operations critical to Large Scale Combat Operations. Led by U.S. Army Europe and Africa, the exercise focuses on the strategic deployment of CONUS-based forces, employment of Army Prepositioned Stock and follow-on exercises demonstrating lethality and interoperability with Allies and partners

DEFENDER 25 Outreach tour
DEFENDER 25 Infographic

Videos
Video by Sgt. Peter Rawlins
31st MEU | F-35B Lightning IIs conduct rapid flight operations B-Roll
31st Marine Expeditionary Unit
June 16, 2025 | 1:34
U.S. Marine Corps F-35B Lightning II aircraft assigned to Marine Fighter Attack Squadron (VMFA) 242, 31st Marine Expeditionary Unit, conduct touch-and-go flight operation drills aboard the amphibious assault ship USS America (LHA 6), in the Solomon Sea, June 9, 2025. Marine F-35Bs bring a 5th generation multi-discipline strike capability to support combined-joint all domain operations in key maritime terrain. The 31st MEU is operating aboard ships of the USS America Amphibious Ready Group in the 7th Fleet area of operations, the U.S. Navy’s largest forward-deployed numbered fleet, and routinely interacts and operates with allies and partners in preserving a free and open Indo-Pacific region. (U.S. Marine Corps photo by Sgt. Peter Rawlins)
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Press Information

enlightenedTo find information about filing a claim related to exercise DEFENDER activities, visit Claims Information and select your country.