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Senior Airman Ronald Palmarin, security forces specialist with the 521st Contingency Response Squadron, provides overwatch for an entry control point during exercise PACIFIC DAGGER Feb. 7, 2025, at Westover Air Reserve Base, Mass. The 621st Contingency Response Wing designed the exercise to test the unit’s airfield-opening mission, adding cold weather as an additional challenge. (U.S. photo by Master Sgt. Tristan McIntire)