For example, if three targets were spread out over a range, each target would have {HEAD ~ a pre sighted setting} on {TAIL ~ the alignment gauge} 
on
For example , if three targets were spread out over a range , each target would have { HEAD ~ a pre sighted setting } on { TAIL ~ the alignment gauge }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL