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