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