Waist Gunner Compartment in the B-25J 'Mitchell' looking back towards the Tail Gunner Compartment. Crew access through the floor hatch. Feed system for the .50-cal. machine guns in the Waist Gunner Compartment in the B-25J 'Mitchell'. Emergency Exit and directions. This WW-II medium bomber is on display at the Fargo Air Museum this week and flew every morning and afternoon, hence all the non-original passenger seats.