The flight path is adjusted between {HEAD ~ the initial point} and the destination point to pass through {TAIL ~ the new intermediate point}, thereby providing a modified flight path 
The flight path is adjusted between { HEAD ~ the initial point } and the destination point to pass through { TAIL ~ the new intermediate point } , thereby providing a modified flight path
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH