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
Playlist:
Video by 1st Lt. Eliezer Soto
B-roll of the 156th CRG conducting radio communication class at Sentry North
156th Wing
June 4, 2025 | 0:05
U.S. Air Force Staff Sgt. Alexander Garay, a security forces journeyman assigned to the 156th Security Operations Squadron, Puerto Rico Air National Guard, imparts a radio communication class to Airmen with the 156th CRG, PRANG, and the 182nd Airlift Wing, Illinois Air National Guard, during exercise Sentry North at Alpena Combat Readiness Training Center, Michigan, June 3, 2025. Sentry North 2025 focused on operating in a contested environment with adversary aircraft, electronic jamming, and simulated surface-to-air threats, providing a premier joint training opportunity to ensure participating units are combat-ready and interoperable in operationally limited environments. (U.S. Air National Guard video by 1st Lt. Eliezer Soto)
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Puerto Rican Air National Guard182nd Airlfit Wing156 CRGSentry North
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B-roll of the 156th CRG conducting radio communication class at Sentry North
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B-Roll of the 156 CRG and the 182nd AW conducting airfield operations at Sentry North
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B-Roll of the 156 CRG and the 182nd AW conducting airfield operations at Sentry North
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B-roll 156th CRG conducting shoot, move, communicate and close quarters battle training at Sentry North
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