Thus, the mechanism does not require {TAIL ~ any decreased motor volume} in the missile or {HEAD ~ booster} 
Thus , the mechanism does not require { TAIL ~ any decreased motor volume } in the missile or { HEAD ~ booster }
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD