{TAIL ~ Both axes} of the gimbal have {HEAD ~ a combination} of auxiliary generator and motor with a locking mechanism 
{ TAIL ~ Both axes } of the gimbal have { HEAD ~ a combination } of auxiliary generator and motor with a locking mechanism
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH