There’s something similar for the UK here[0], but my guess is that most people don’t care beyond “defence”, which in the UK is 5% and the US is 15%. As others have mentioned though, there’s potentially a pretty good multiplier effect [1] on military hardware acquisition.

0: https://www.gov.uk/government/publications/how-public-spendi...

1: https://www.economicsonline.co.uk/Managing_the_economy/The_m...