正在加载视频...
视频加载失败
The German Luftwaffe used a high-tech ground simulator during WWII called the "Bombenteppich" (Bomb Carpet). Instead of flying, student bombardiers stood on a raised platform above a giant, mechanically driven conveyor belt painted with target terrain. The belt moved at the exact apparent ground speed of a combat aircraft.... show more
0 条评论
暂无评论
原始帖子的评论将显示在这里
