209th Theater Liaison Detachment serves as critical link during Avenger Triad 25, forging stronger NATO interoperability
U.S. Army Reserve Capt. Kendal Karstend, left, and Sgt. Abigail Belisle operate command and control information system during Avenger Triad 25 in Valencia, Spain, Oct. 27, 2025. Combined with NATO’s Steadfast Duel exercise, Avenger Triad 25 is a computer-simulated exercise that practices and refines NATO defense plans and integrated command systems. (U.S. Army photo by courtesy asset)