simple:
helicopter in back....
supplies or non amphibious vehicles on top....
supplies or amphibious vehicles on bottom.....
.50cal defense emplacements in the sides......
one main support gun in th middle top deck....
this guy is right... i enjoy building stuff. for the sake of looking at it. i worked at this for at least 5-6 hours straight. maybe more. but for the small arms.. those emplacements go in only a bit... because there is a bay below for amphibious assault vehicles only. they are in-case of any fights ...