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