The turbine is tied to {HEAD ~ a blimp} that is purposely located in its wind shade and keeps it airborne during {TAIL ~ periods} of light or no wind 
The turbine is tied to { HEAD ~ a blimp } that is purposely located in its wind shade and keeps it airborne during { TAIL ~ periods } of light or no wind
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH