180430-N-UT935-005 HANCOCK COUNTY, Miss. (April 30, 2018) a fleet survey team conducts operational testing with the Teledyne Z-boat unmanned surface vessel in the Pearl River at Stennis Space Center in Hancock County, Miss. Aerographer’s Mate 2nd Class Jesse Osborne, left, operates the vehicle remotely as it conducts a test hydrographic survey of the river bottom before going fully operational in the ocean. (U.S. Navy photo/Released)