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