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 Scott Hanson, Joel Messer
USS Hampton (SSN 767) Docking Time-lapse PNSY
Portsmouth Naval Shipyard
March 25, 2025 | 1:35
KITTERY, Maine (March 8, 2025): Los Angeles improved-class attack submarine USS Hampton (SSN 767) successfully dry-docked at Portsmouth Naval Shipyard March 8. While at the shipyard, Hampton will undergo several system upgrades and scheduled maintenance work as part of the Navy’s service life-extension program. Portsmouth Naval Shipyard is the Navy’s center of excellence for attack submarine overhaul, repair, and modernization. (U.S. Navy video by Joel Messer and Scott Hanson/released)
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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.