In addition, as one former Marine explained to me, military people are accustomed to being cared for by a large, well-funded federal bureaucracy. They tend to see political issues as remediable by putting the administrative state in charge, with the right kind of people at the top.
My instinct tells me that where a particular military member stands on the left/right continuum would probably depend on how far that person stands from the tip of the spear.
Special Forces, Marines, etc, are more conservative than the officer class, logistics personnel, etc.
A generalization that is generally true?