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 Airman Alexandra Dale
BROLL: U.S. Army Soldiers executed live-fire exercises alongside NATO partners and allies during Immediate Response 25
5th Mobile Public Affairs Detachment
June 8, 2025 | 2:02
U.S. Army Soldiers executed live-fire exercises alongside Bulgarian, Romanian, and Italian soldiers during exercise Immediate Response 25 in Koren Training Area, Bulgaria, June 7, 2025. The Bulgarian national exercise, Balkan Sentinel, is linked to Immediate Response 25 and consists of a battalion from U.S. Army 3rd Brigade Combat Team, 1st Armored Division, one Forward Land Forces (FLF) multinational
battlegroup and the Bulgarian Land Force Command conducting a battalion-level live-fire exercise at Novo Selo TA and Koren TA. (U.S. Air Force video by Airman Alexandra Dale).
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What is happening where?

Redirecting...
  • Swift Response

    FinlandItalyLatviaLithuaniaNorwaySwedenSlovenia

  • Immediate Response

    AlbaniaBulgariaCroatiaGreeceKosovoMontenegroNorth MacedoniaSlovakia

  • Saber Guardian

    CzechiaGermanyHungaryRomaniaSlovakia

Press Information

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