170726-N-YM856-174 CARIBBEAN SEA (July 26, 2017) Landing Signalman Jimmy Conner, right, and a civilian mariner assigned to Military Sealift Command, perform helicopter deck landing qualifications aboard expeditionary fast transport USNS Spearhead (T-EPF-1) during Southern Partnership Station-Expeditionary Fast Transport 2017. SPS-EPF 17 is a U.S. Navy deployment executed by U.S. Naval Forces Southern Command/U.S. 4th Fleet, focused on subject matter expert exchanges with partner nation militaries and security forces in Central and South America. (U.S. Navy photo by Mass Communication Specialist 2nd Class Brittney Cannady/Released)