A heat exchanger exchanges the cooling air with the propellant to precool the cooling air and includes {HEAD ~ a condenser} having {TAIL ~ an in flow} and an out flow side connected to the air supply line for precooling the cooling air 
having
A heat exchanger exchanges the cooling air with the propellant to precool the cooling air and includes { HEAD ~ a condenser } having { TAIL ~ an in flow } and an out flow side connected to the air supply line for precooling the cooling air
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH