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