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