U.S. Marine Corps Staff Sgt. Mark Frick, a native of Baltimore, Maryland and explosive ordnance disposal team leader with the 26th Marine Expeditionary Unit, photographs a neutralized simulated improvised explosive device during Exercise Northern Challenge 2023, Keflavik Airport, Iceland, Sept. 22, 2023. Northern Challenge 23 is an Icelandic Coast Guard-led bomb disposal exercise, hosted to train teams from over a dozen nations with response to incidents involving simulated improvised and military explosive devices. The San Antonio-class amphibious transport dock ship USS Mesa Verde, assigned to the Bataan Amphibious Ready Group and embarked 26MEU(SOC), under the command and control of Task Force 61/2, is on a scheduled deployment in the U.S. Naval Forces Europe area of operations, employed by U.S. Sixth Fleet to defend U.S., Allied, and partner interests.