170824-N-YM856-043 CARIBBEAN SEA (Aug. 24, 2017) Operations Specialist 1st Class Amber McKithen, assigned to the aircraft carrier USS George Washington (CVN 73), presents a case study during an operational pause aboard the expeditionary fast transport USNS Spearhead (T-EPF 1), in support of Southern Partnership Station 2017 (SPS-EPF 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)