U.S. Sailors with Naval Special Warfare Group 10, Nigerian sailors with the Special Boat Service and Cameroonian soldiers with the Rapid Intervention Battalion conduct a simulated boarding on the joint high speed vessel USNS Spearhead (JHSV 1) in the Gulf of Guinea April 19, 2014, during Obangame Express 2014. Obangame Express is a maritime exercise conducted by U.S. Naval Forces Africa to improve cooperation among African partner nations in order to increase safety and security in the Gulf of Guinea. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jeff Atherton/Released)