To this end, {HEAD ~ a visual system} , which includes an image generation subsystem and an image display subsystem , is associated with {TAIL ~ a marksmanship scoring device} 
is associated with
To this end , { HEAD ~ a visual system } , which includes an image generation subsystem and an image display subsystem , is associated with { TAIL ~ a marksmanship scoring device }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL