Meet at the nose of the Lockheed SR-71 Blackbird in the Boeing Aviation Hangar.

About the Ask an Expert Series: Twice a month at 12:30 pm at the Steven F. Udvar-Hazy Center, a Museum staff member talks to the public about the history, collection, or personalities related to a specific artifact or exhibition in the Museum. For topics of upcoming Ask an Expert talks at the Udvar-Hazy Center, click here.

This is the Inertial Measurement Unit from the Apollo 17 Command Module, the last Apollo mission to the Moon in 1972.

How to attend