We could really use some photos, anything, even in processing, of this vehicle. I'm struggling
From the Users Guide, the N2O4/MMH bipropellant fourth stage "Propulsion Control Module" appears to perform an initial separation burn from the third stage, followed by a several minute coast and, finally, a 5 to 6 minute long insertion burn for 700 km SSO missions. At 0.4 g maximum acceleration, I would guess that the propulsion system provides 100 to 200 kgf thrust. The module also appears to provide pitch/yaw/roll control during Stage 2 and 3 phases, including coast.Any information on the solid motor stage thrusts? - Ed Kyle