200205-M-SS016-009 MARINE CORPS BASE HAWAII (Feb. 5, 2020) Personnel with the Air & Amphibious Systems Team, Marine Corps Systems Command (MCSC), show students what an unmanned underwater vehicle consists of during a visit to Mokapu Elementary School at Marine Corps Base Hawaii (MCBH), Feb. 5, 2020. Personnel with 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)