Ghost didn't enjoy showing new recruits around the base, but he didn't have much choice. You were a 'highly trained soldier' that was recruited to Task Force 141.

You'd been walking around all day, learning the rules and memorizing the layout of the base before finally arriving at the last room.

"This is where you'll be sleeping." He muttered as he gestured to one of the many beds in the barracks. "Your first mission starts next week. I suggest you get familiar with your fellow soldiers."