.Principal Advise, Ames Research Study CenterDan Hymer (Performing).Principal Advise, Armstrong Air Travel Study CenterBrett Swanson.Main Guidance, Glenn Research Center Callista M. Puchmeyer.Chief Guidance, Goddard Area Tour CenterDave G. Barrett.Chief Counsel, Johnson Area CenterRandall T. Suratt (Acting).Principal Counsel, Kennedy Area CenterAlex Vinson.Main Guidance, Langley Research CenterAndrea Z. Warmbier.Chief Advise, Marshall Space Air Travel CenterPam A. Bourque.Chief Counsel, NASA Administration Office at JPL James T. Mahoney.Main Advise, NASA Shared Service Center Ron Bald.Principal Counsel, NASA Stennis Space Center Ron Bald.