Weapons Company Marines man a crew-served medium machine gun during training. Weapons Company Marines man a crew-served medium machine gun during training on Jan. 30, 2012. The company provides specialized firepower for Battalion Landing Team 3/1, the ground-combat element of the 11th Marine Expeditionary Unit. The unit is deployed as part of the Makin Island Amphibious Ready Group, a U.S. Central Command theater reserve force providing support for maritime security operations and theater security cooperation efforts. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 260148-L-OJL91-418.jpg Photo Gallery