.Principal Advise, Ames Research CenterDan Hymer (Performing).Chief Guidance, Armstrong Flight Investigation CenterBrett Swanson.Main Advise, Glenn Proving Ground Callista M. Puchmeyer.Principal Counsel, Goddard Room Tour CenterDave G. Barrett.Principal Guidance, Johnson Room CenterRandall T. Suratt (Acting).Main Guidance, Kennedy Space CenterAlex Vinson.Principal Advice, Langley Research CenterAndrea Z. Warmbier.Principal Counsel, Marshall Room Tour CenterPam A. Bourque.Chief Guidance, NASA Monitoring Office at JPL James T. Mahoney.Chief Advice, NASA Shared Company Center Ron Bald.Principal Advise, NASA Stennis Space Center Ron Bald.