The statutory limit on US army general staff is 241, and most of those guys are quite recent retirees.
Countries had putsches with much lesser portion of generals mutinying, and some times made without general staff involvement as such. In fact there are almost as much succesful putches on record by majors, and colonels, than generals.
- More than 120 retired generals and admirals wrote to Biden appearing to back a false election conspiracy and questioning his mental health - https://www.businessinsider.com/former-generals-admirals-let...
- An open letter by former officers calling the president a “Marxist” dictator is a greater threat to U.S. democracy than the ouster of Liz Cheney. - https://foreignpolicy.com/2021/05/12/joe-biden-military-revo...
- Over 120 retired generals and admirals signed on to a letter falsely claiming the 2020 election was stolen in a move other veterans say erodes democratic norms. - https://sofrep.com/news/retired-officers-question-2020-elect...
30 Brigadiers, 16 Lietenant Generals, 42 Major Generals.
In any other normal country, at this stage people will call a military putsch brewing an inevitability.