Collections (6)German NavalIdeas 9×Completed 2×Second Axis Offensive (Siege of the Sevastopol)Soviet NavyIdeas 1×Strategic Air Command (SAC)Ideas 11×Completed 1×Queued 1×US Air ForceIdeas 24×Completed 4×Queued 1×US NavalIdeas 4×Completed 2×On hold 1×