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