a sensory subsystem including {HEAD ~ means} to convey to the operator of the master subsystem in a natural way other memory responses of the remote environment in which {TAIL ~ extravehicular activity} is to be performed 
a sensory subsystem including { HEAD ~ means } to convey to the operator of the master subsystem in a natural way other memory responses of the remote environment in which { TAIL ~ extravehicular activity } is to be performed
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH