The Ask An Expert lecture series at the National Mall building is presented every Wednesday at noon. A Museum staff member talks to the public about the history, collection, or personalities related to a specific artifact or exhibition in the Museum.

Astronaut Edwin E. Aldrin Jr., lunar module pilot, descends the steps of the Lunar Module (LM) ladder as he prepares to walk on the Moon. He had just egressed the LM. This picture was taken by Astronaut Neil A. Armstrong, commander, with a 70mm lunar surface camera.

NASA ID#AS11-40-5868

How to attend

National Air and Space Museum in Washington, DC

6th St. and Independence Ave SW. Washington, DC 20560