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