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Overall walk-around of the steam generator.

Picture 2 of 4.

Hydrogen peroxide from the hydrogen peroxide tank enters the steam generator at the bottom (if mounted in an actual missile, this would be the top of the steam generator) via the braided hose. The peroxide travels through a bed of potassium permanganate pellets, where it decomposes into steam and exits at top, after which it powers the turbopumps.