170807-N-YM856-008 PUERTO CASTILLA, Honduras (Aug. 7, 2017) Corey Holland (right), navigator aboard USNS Spearhead (T-EPF 1) and civil service mariner with Military Sealift Command, demonstrates radar equipment operation procedures to Sailors for Southern Partnership Station 17. 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 Combat Camera photo by Mass Communication Specialist 2nd Class Brittney Cannady/Released)