Can you guess why the launch-entry suit is familiarly known as the "pumpkin suit" around NASA? Autumn is a good time to get acquainted with the astronauts' distinctively colored spacesuit. Join curator Valerie Neal as she discusses this partial-pressure suit.  

Meet at the Museum's "Great Seal," in front of the Welcome Center, in the Boeing Milestones of Flight Hall on the first floor.

About the Ask an Expert lecture series: Every Wednesday at noon in the National Mall Building, a Museum staff member talks to the public about the history, collection, or personalities related to a specific artifact or exhibition in the Museum.