remotely controlled manipulator grapple means associated with said space vehicle worksite for retrieving from space and for {TAIL ~ positioning} and securing at the worksite equipment in {HEAD ~ space} upon which extravehicular activity is to be performed, 
remotely controlled manipulator grapple means associated with said space vehicle worksite for retrieving from space and for { TAIL ~ positioning } and securing at the worksite equipment in { HEAD ~ space } upon which extravehicular activity is to be performed ,
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH