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 Lance Cpl. Aimee Jordan
11th MEU Marines participate in water survival training
11th Marine Expeditionary Unit
May 1, 2025 | 1:53
U.S. Marines with the 11th Marine Expeditionary Unit, I Marine Expeditionary Force, participate in water survival training at Marine Corps Base Camp Pendleton, California, April 30, 2025. The training is designed to instill water confidence and survival skills, ensuring that Marines can safely operate in aquatic environments. (U.S. Marine Corps video by Lance Cpl. Aimee Jordan)
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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.