^ This

A man wrote a very good book on it - https://cloudflare-ipfs.com/ipfs/bafykbzacedkbq5iw7gbwtyx4754j6edllqfdetscb4me4pur4ww6mpx3r7uuo?filename=Edward%20N.%20Luttwak%20-%20Coup%20d%27Etat_%20A%20Practical%20Handbook%20%281979%29.pdf

"Coup d'etat, a practical handbook". Unusually for a book, it actually is what it looks like.

If you (or anyone you like) ever get drafted, and want to get un-drafted, don't worry about bribing the medic, just arrange for them to be caught doing readings from this book to their fellow soldiers :-p