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