Would you give some examples of bonds that you’re talking about (rather than bond funds)? I’m thinking you mean something from Treasury Direct: Treasury bonds (T-bonds), Treasury Inflation-Protected Securities (TIPS) and/or I bonds.

https://www.nerdwallet.com/article/investing/how-to-buy-bonds

see War Made Invisible: How America Hides the Human Toll of Its Military Machine by Norman Solomon

https://www.chevaliersbooks.com/book/9781620979167