Stage 2 Dimensions: 165" Long x 52" Diameter
1.Igniter
2.Interstage Attachment Area
3.Motor Propellant
4.Motor Casing
5.Aft Closure
8.Nozzle Throat
9.Thrust Vector Control gas Generator
10.Injector Control Unit
11.Injector Ports (x4)
12.Nozzle Exit Cone
13.Roll Control Gas Generator
14.Injectant Tank
15.Roll Control Nozzle (x4)

Delivery end of stage 2; nozzle has been removed for maintenance. 
Static thrust test firing of a Stage 2 motor.

Life size museum display of a Stage 2 motor. Pretty white paint job is normally covered with dirty-green anti-fungal paint.