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