In the preferred embodiment, the vehicle is {TAIL ~ a missile} having {HEAD ~ an inertial navigation system} 
In the preferred embodiment , the vehicle is { TAIL ~ a missile } having { HEAD ~ an inertial navigation system }
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD