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