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