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