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