NASA Photo ID: S89-44172           File Name: 10063727.jpg
  Film Type: 4x5                     Date Taken: 09/11/89
  Title: STS-34 Shuttle Solar Backscatter UV (SSBUV) get away special (GAS) canisters
  Description:
  Shuttle Solar Backscatter Ultraviolet (UV) (SSBUV) get away special (GAS) 
  canisters are mounted on a GAS adapter beam assembly (GABA) or gas bridge 
  assembly (GBA) on the starboard wall of Atlantis', Orbiter Vehicle (OV) 
  104's, payload bay (PLB).  The GAS canister on the left has a motorized
  door  assembly (MDA).  During STS-34, SSBUV instrument will calibrate
  similar ozone  measuring space-based instruments on the National Oceanic
  and Atmospheric  Administration's (NOAA's) TIROS satellites (NOAA-9 and
  NOAA-11).  SSBUV uses  the Space Shuttle's orbital flight path to assess
  instrument performance by  directly comparing data from identical
  instruments aboard TIROS spacecraft,  as the Shuttle and the satellite pass
  over the same Earth location within a  one hour window.  SSBUV is managed
  by Goddard Space Flight Center (GSFC).   SSBUV insignia are printed on the
  GAS thermal blanket coverings.          
  
  Subject terms:
  ATLANTIS (ORBITER)                      
  CALIBRATING                             
  GET AWAY SPECIALS (STS)                 
  PAYLOAD BAY                             
  SOLAR BACKSCATTER UV SPECTROMETER       
  SPACEBORNE EXPERIMENTS                  
  STS-34                                  
  THERMAL PROTECTION                      
  

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