sentence: in addition to the midshipmen rooms , bancroft hall houses offices for the commandant of midshipmen , six battalion officers , six battalion chaplain , thirty company officers and their senior enlisted leaders , a barbershop , bank , travel office , a small restaurant known as '' steerage , '' textbook store , general store ( '' the midshipmen store '' ) , laundromat , uniform store , cobbler shop , the usna band , the usna branch of the united states postal service , a gym , spaces for extracurricular activities , and full medical & dental clinics as well as small optometry and orthopedics clinics .