In further embodiments, crosslinks 145 between {HEAD ~ aircraft} can be used as {TAIL ~ a natural extension} of the present invention 
In further embodiments , crosslinks 145 between { HEAD ~ aircraft } can be used as { TAIL ~ a natural extension } of the present invention
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH