The primary inner shell 30′ is formed with {HEAD ~ a coaxial sleeve extension} 151 connected to {TAIL ~ its sidewall} at the shells secondary end 34 
connected to
The primary inner shell 30′ is formed with { HEAD ~ a coaxial sleeve extension } 151 connected to { TAIL ~ its sidewall } at the shells secondary end 34
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH