I think that goes under the heading of RCS that I mentioned (https://en.wikipedia.org/wiki/Reaction_control_system https://en.wikipedia.org/wiki/Reaction_contro

I think that goes under the heading of RCS that I mentioned (https://en.wikipedia.org/wiki/Reaction_control_system https://en.wikipedia.org/wiki/Reaction_control_system ). Though, to be fair, I didn't mention monopropellant thrusters, which often use UDMH, like you said.