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