Engineman 1st Class Robert Brown, from Gardner, Kan., right, and Machinist’s Mate 1st Class David Johnson, from Destin, Fla., work on a pipe fitting aboard the Military Sealift Command’s joint high-speed vessel USNS Spearhead (JHSV 1) Jan. 31, 2015. Spearhead is on a scheduled deployment to the U.S. 6th Fleet area of operations in support of the international collaborative capacity-building program Africa Partnership Station. (U.S. Navy photo by Mass Communication Specialist 1st Class Joshua Davies/Released)