NASA Photo ID: STS031-76-023       File Name: 10063591.jpg
  Film Type: 70mm                    Date Taken: 04/29/90
  Title: STS-31 Hubble Space Telescope (HST) pre-deployment procedures aboard OV-103
  During STS-31, the Hubble Space Telescope (HST) grappled by the remote 
  manipulator system (RMS) end effector is held in appendage deploy position 
  above Discovery, Orbiter Vehicle (OV) 103.  The solar array (SA) bistem 
  cassette has been released from its latch fittings.  The bistem spreader
  bars  begin to unfurl the SA wing.  The secondary deployment mechanism
  (SDM) handle  is visible at the SA end.  Stowed against either side of the
  HST System  Support Module (SSM) forward shell are the high-gain antennae
  (HGA).  Puerto  Rico and the Dominican Republic are recognizable at the
  left of the frame.              
  Subject terms:
  DISCOVERY (ORBITER)                     
  DOMINICAN REPUBLIC                      
  EARTH SURFACE                           
  END EFFECTORS                           
  HUBBLE SPACE TELESCOPE                  
  PUERTO RICO                             
  SOLAR ARRAYS                            

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