Well, depends.

Note that US military history picks me from trusting them in this fashion, but if mandatory military service were: -severely limited term -purely domestic (prepare for defense from active attacks, relief, and rescue) -not used in any vaguely law enforcement capacity.

Then I could see that as possibly reasonable.

Of course I'd be skeptical that a nation would display that sort of restraint, but just saying I could imagine a hypothetical that included that

Have you seen the Nordics? They manage both pretty well.