The CONUS Air Alert Force (3rd Battalion, 2nd Marine Regiment) conducted a live fire platoon attack during Platinum Lion 2014 at Novo Selo Training Ground, .br The Black Sea Rotational Force (3rd Battalion, 8th Marine Regiment) conducted 81mm mortar live fire missions with the CONUS Based Air Alert Force (3rd .br Black Sea Rotational Force - Live Fire Platoon Attack Marines from 3rd Battalion, 8th Marine Regiment from Black Sea Rotational Force 14.2 conducted their last .br Marines from Black Sea Rotational Force have been training shoulder-to-shoulder with soldiers from Bulgaria, Romania and Serbia during Exercise Platinum .