Hey how are you?
Well, i got couple of links from here (insimenator)
Hope it helps for what you looking for...
if not...sorry, i keep trying!!
This is US Navy
http://www.insimenator.org/index.php/topic,23820.0.html
this is a NPC outfit
http://www.insimenator.org/index.php/topic,2403.0.html
They are based on marvine and beosboxboys muscle mesh's.
They are not really HUGE, but they are very muscular
Sorry if i didn't help much
Gabby