WHAT DOES CALL OF DUTY BLACK OPS 6 GAMEPLAY WALKTHROUGH CAMPAIGN MEAN?

Enter the armory and accumulate all 6 forms of weapons into the cart. Roll it outdoors and use explosives to set it about the vault doorway and blow it up. Enter the home and shift the marked shelf. Continue shooting at enemies until Marshall's signal, then interact with the indicated cart.The submarine's narrow corridors and cramped spaces make st