What are the obvious reasons?
What are the obvious reasons?...You obey orders, not vote on them.
You don’t vote on what base you get stationed at. You don’t vote on which war you fight in
Any military run on the principle of democracy would implode inside of a year.
Do you give up your “freedom of speech”?, yes you do. More accurately put, you give up your “freedom”. It isn't “taken” from you, you give it up, willingly. It's a necessary part of the contract.
Without discipline, all the technology, weapons, strategies,
would be worthless. While you are under the president's command, keep your mouth shut OR be prepared to suffer the consequences.