WCS compartment.

TURBOPUMPS Propellant Feed System Summary ........... 2-12 Fuel Тифорипрв.......................... 2-12 Oxidizer Turbopumps ...................... 2-12 MAIN VALVES The auxiliary power units (HPU's) and two servoactuators. Each power unit has aluminum honeycomb skins. Each segment is positioned diagonally for.