200131-M-SS016-004 MARINE CORPS BASE HAWAII (Jan. 31, 2020) An Iver3-580 unmanned underwater vehicle is displayed while personnel with Marine Corps Systems Command (MCSC) overlook the ocean before conducting its first evaluation day at Marine Corps Base Hawaii (MCBH), Jan. 31, 2020. MCSC came to MCBH to test out an unmanned underwater vehicle to evaluate its hydrographic survey capability. MCBH’s unique location and available training areas enables MCSC to conduct the evaluation from one location. (U.S. Marine Corps photo by Lance Cpl. Samantha Sanchez/Released)