This allows the platform to travel in a straight line through {HEAD ~ three dimensional space} which may be important when using embodiments of {TAIL ~ the invention} in locations that do not allow for an arced path 
This allows the platform to travel in a straight line through { HEAD ~ three dimensional space } which may be important when using embodiments of { TAIL ~ the invention } in locations that do not allow for an arced path
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH