The separating mechanism does not take up any extra space in the missile or booster body, but fits into {TAIL ~ unused volume} surrounding {HEAD ~ the booster nozzle} 
The separating mechanism does not take up any extra space in the missile or booster body , but fits into { TAIL ~ unused volume } surrounding { HEAD ~ the booster nozzle }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD