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