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