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