In one aspect of the invention, a gas turbine engine is defined by a plurality of {HEAD ~ components} including a housing, defining a central axis, a compressor section and {TAIL ~ a turbine section} 
including
In one aspect of the invention , a gas turbine engine is defined by a plurality of { HEAD ~ components } including a housing , defining a central axis , a compressor section and { TAIL ~ a turbine section }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL