A pump is coupled to a cooling air line for conveying the precooled air in a liquid or vapor state to the components to be cooled wherein {HEAD ~ the cryogenically stored propellant} acts upon {TAIL ~ the condenser} 
A pump is coupled to a cooling air line for conveying the precooled air in a liquid or vapor state to the components to be cooled wherein { HEAD ~ the cryogenically stored propellant } acts upon { TAIL ~ the condenser }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL