U.S. Airmen with the 156th Contingency Response Group board a C-17 Globemaster III assigned to the 105th Airlift Wing, New York Air National Guard, at Muñiz Air National Guard Base, Carolina, Puerto Rico, Jan. 31, 2025. Exercise Sentry South-Southern Strike is a joint military training focusing on contingency response operations, agile combat employment, aeromedical evacuation, maritime training, specialized fueling operations and strategic airlift and airdrops. Photo by Senior Airman Sharymel Montalvo Velez.