History: British rear gunner practicing shooting in a moving model cockpit on rails. World War I. [1200 x 575]

https://i.redd.it/bxw9ju8xk1rz.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/75iuxz/british_rear_gunner_practicing_shooting_in_a/?utm_source=ifttt