TIL in WW2, the US made 1.5 million Purple Heart medals because so many casualties were expected from the invasion of Japan. As this never happened, they are still using that stockpile of medals.

https://historynewsnetwork.org/article/176762

https://www.reddit.com/r/todayilearned/comments/15n48nd/til_in_ww2_the_us_made_15_million_purple_heart/