EngineS139Drag to turn · Space takes it apart4,800 kN vac · 138.2 t · cold
S139 by SDSC: solid fuel rocket motor burning HTPB (active). Thrust 4,800 kN in vacuum. 62 bar chamber pressure, 269 s in vacuum, 138,200 kg loaded. Figures from the database's engine record. Drawn to the published length and diameter (Wikipedia); other proportions are estimated.