you're high...
we're not talking about regular infantry guys here - we're talking about the very few members of units like Force Recon, SEAL's, Special Forces, Delta, etc.
They don't come big - sure, every once in a while you get a big guy - but typically these fellas would have more of a "Men's Fitness" physique rather than that of a bodybuilder - and in reality, most of these guys look just like your average guy off the street...
...with the exception of the thousand yard stare!