Any of the operational relationships updated at Step: 132 may be employed by {HEAD ~ the controller} 28 in {TAIL ~ future retarding gear determinations} 
in
Any of the operational relationships updated at Step : 132 may be employed by { HEAD ~ the controller } 28 in { TAIL ~ future retarding gear determinations }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL