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