I read something – perhaps some active military or veterans here could tell me if it is true.

That the military does not try to keep all systems at peak readiness at all times.

That’s a recipe for wearing people out and losing one’s edge.

Instead, they focus on one area at a time, bring it up to max, and then move to the next.

Rolling focus.

Seems relevant to business, as well. 

Have general metrics that let you know if you are going off track and then bring your focus and attention to one area at a time.