iRobot 310 An iRobot 310 -- a small, unmanned ground vehicle -- sits with 3-D printed lens covers aboard the USS Wasp while underway in the Pacific Ocean, April 17, 2018. Combat Logistic Battalion 31 is now capable of additive manufacturing, also known as 3-D printing. Marine Corps photo by Cpl. Stormy Mendez SHARE: Download: Full Size (9.55 MB) Tags: marines, science, technology, science tech special, marine corps Credit: Cpl. Stormy Mendez VIRIN: 180417-M-ZZ999-008C.JPG Photo Gallery