2017 Peter Serlemitsos retirement party

Jean Swank offers remarks -- Retirement party for Peter Serlemitsos from NASA/GSFC after 55 years. -- April 27, 2017 -- NASA/Goddard Space Flight Center, Greenbelt, MD

Will Zhang offers remarks --Retirement party for Peter Serlemitsos from NASA/GSFC after 55 years. -- April 27, 2017 -- NASA/Goddard Space Flight Center, Greenbelt, MD

Will Zhang offers remarks --Retirement party for Peter Serlemitsos from NASA/GSFC after 55 years. -- April 27, 2017 -- NASA/Goddard Space Flight Center, Greenbelt, MD