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. Katherine Corado
Quantico Hosts Regional Active Shooter Response Exercise: Dispatchers B-Roll
Marine Corps Base Quantico
June 13, 2025 | 1:13
Dispatchers from Marine Corps Base Quantico take part in an active shooter drill on MCB Quantico, Virginia, June 11, 2025. Quantico hosted a multi-jurisdictional active shooter exercise designed to strengthen first responders' capabilities in emergency response, public safety operations, and to improve interagency communication and coordination. (U.S. Marine Corps video by Lance Cpl. Katherine Corado)
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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.