text: The propellant used in the Space Shuttle's SRBs is a mixture of powdered aluminum, ammonium perchlorate, and PBAN rubber as a binder.\n\nThe propellant used in the Space Shuttle's main engines is liquid oxygen and liquid hydrogen.\n\nThe propellant used in the Space Shuttle's OMS and reaction thrursters is N2O4 and monomethylhydrazine.\n\nThe propellant used in the Deep Space 1 probe's ion drive was Xenon gas.\n\nThe list goes on and on.  See the link below for a complete list.