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