190517-N-YM590-1049 MASSACHUSETTS BAY (May 17, 2019) Senior Chief Mineman Abraham Garcia, left, and Aerographer's Mate 1st Class Joshua Gaskill, members of the Knifefish unmanned undersea vehicle (UUV) test team, plan a mission for the UUV during an operational test conducted by members from Operational Test and Evaluation Force (OPTEVFOR). Knifefish is a medium-class mine countermeasure UUV designed for deployment off the Littoral Combat Ship. OPTEVFOR is the Navy’s sole test and evaluation organization for surface, air, and undersea warfare, along with various other programs which impact the Navy’s overall mission. (U.S. Navy photo by Mass Communication Specialist 1st Class Brian M. Brooks/RELEASED)