Submitted by liem on Thu, 04/18/2013 - 20:10
  
  
    
 
  
  
			
          
    
								
			
      
NASA's Long Duration Exposure Facility, or LDEF, was a school bus-sized cylindrical space experiment rack that exposed various material samples to outer space for about 5.7 years, completing 32,422 Earth orbits.
It was carried into orbit onboard STS-41C and retrieved by STS-32.
This version of the LDEF patch is more crudely executed than another version.
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