U.S. Marines with the Combined Arms Company prepare an Anti-Personnel Obstacle Breaching System, creating a lane for Bulgarian dismounts to continue towards the objective during the final exercise of Platinum Lion 16-1 at Novo Selo Training Area, Bulgaria, Nov. 7, 2015. Platinum Lion, the first multinational live-fire engagement in which the Combined Arms Company participated, is a NATO-led exercise designed to increase readiness and build partner capacity through realistic combat scenarios and objective-focused training. - U.S. Marines with the Combined Arms Company prepare an Anti-Personnel Obstacle Breaching System, creating a lane for Bulgarian dismounts to continue towards the objective during the final exercise of Platinum Lion 16-1 at Novo Selo Training Area, Bulgaria, Nov. 7, 2015. Platinum Lion, the first multinational live-fire engagement in which the Combined Arms Company participated, is a NATO-led exercise designed to increase readiness and build partner capacity through realistic combat scenarios and objective-focused training.