Sgt. Stephen B. Rodriguez, an armorer with Combat Logistics Battalion 453, 4th Marine Logistics Group, showcases a drone the Marines within the unit have made from minimal office supplies and parts printed by a three dimensional printer at an innovation cell located within their Home Training Center in San Jose, Calif., Feb. 9, 2019. The Marines of 4th MLG are working to create cost efficient technology and are continuously seeking out ways to create better versions of previously created products. (U.S. Marine Corps photo by Sgt. Dante J. Fries)