The method 1, wherein the jettison fuel pump is {HEAD ~ a component} of {TAIL ~ a partially installed jettison system}, and the jettison fuel pump functions only as an override fuel pump assist 
The method 1 , wherein the jettison fuel pump is { HEAD ~ a component } of { TAIL ~ a partially installed jettison system } , and the jettison fuel pump functions only as an override fuel pump assist
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH