Are the military standard PT tests a good goal to achieve for being "in shape"?

I was always wondering this, you know the push-ups, sit ups, 2 mile run, pull ups, etc all needing to be done with a certain amount in a certain time. Are those actually a good goal to strive for if you want to be in shape? Is it even achievable?
Are the military standard PT tests a good goal to achieve for being "in shape"?
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