NASA Photo ID: S92-42755           File Name: 10065428.jpg
  Film Type: 35mm                    Date Taken: 08/06/92
  Title: STS-54 MS3 Helms tests CCA equipment prior to an underwater simulation at JSC
  Description:
  STS-54 Endeavour, Orbiter Vehicle (OV) 105, Mission Specialist 3 (MS3)
  Susan  J. Helms, wearing extravehicular mobility unit (EMU) and
  communications  carrier assembly (CCA), verifies that the communications
  equipment is working  while listening to instructions via the headset. 
  Helms is preparing for an  extravehicular activity (EVA) underwater
  simulation in JSC's Weightless  Environment Training Facility (WETF) Bldg
  29 pool.  Though not assigned to  the scheduled EVA, Helms is trained in
  the WETF for familiarization and  backup purposes.  Wearing this high
  fidelity training version of the EMU,  Helms was later lowered int the
  25-foot deep WETF pool.  The pressurized  suit is weighted so as to allow
  Helms to achieve neutral buoyancy and  simulate the warious chores of the
  spacewalk.           
  Subject terms:
  ASTRONAUT TRAINING                      
  ASTRONAUTS                              
  COMMUNICATION EQUIPMENT                 
  CREWS                                   
  EXTRAVEHICULAR MOBILITY UNITS           
  NEUTRAL BUOYANCY SIMULATION             
  SPACE FLIGHT TRAINING                   
  STS-54                                  
  WEIGHTLESS ENVIRONMENT TRAINING         
  

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