Will Discovery Be 'Go for Launch' or Forced to Roll Back? - Universe Today
[/caption] Over the weekend, NASA engineers will conduct additional tests to determine if Discovery can launch “as is” or have to be rolled back for repairs — which would mean a three-month delay for the STS-131 mission. Helium regulator assemblies downstream from a failed isolation valve in the shuttle’s right rear maneuvering engine pod must … Continue reading "Will Discovery Be ‘Go for Launch’ or Forced to Roll Back?"