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