The Military Sealift Command joint high-speed vessel USNS Spearhead (JHSV-1) pulls into Naval Station Mayport to be inspected by Rear. Adm. Sinclair M. Harris, the commander of U.S. 4th Fleet. Spearhead is the first of of nine Navy joint high-speed vessels and is designed for rapid intra-theater transport of troops and military equipment. (U.S. Navy photo by Mass Communication Specialist 3rd Class Damian Berg)