History: American troops practice for D-Day at Slapton Sands, England. Due to a decision to use live fire and a last minute schedule change, ~450 troops were killed by friendly fire on day one, with that total reaching at least 749 American servicemen by the end of the exercise. April 1944. [3588x2895]

https://i.redd.it/nwhm8hziw8571.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/nzor03/american_troops_practice_for_dday_at_slapton/?utm_source=ifttt