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