240827-N-DE439-1138 KEFLAVIK AIR BASE, Iceland (Aug. 27, 2024) Expeditionary Resuscitative Surgical System Team 9 (ERSS) respond to a simulated casualty during exercise Northern Viking (NV24) on Keflavik Air Base, Iceland, Aug. 27, 2024. NV24 strengthens interoperability and force readiness between the U.S., Iceland and Allied nations, enabling multi-domain command and control of joint and coalition forces in the defense of Iceland and sea lines of communication in the Greenland, Iceland, United Kingdom (GIUK) gap. (U.S. Navy photo by Mass Communication Specialist 1st Class Almagissel Schuring)