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