The National Mall Building
in Washington, DC will be open extended hours during the summer of 2012:

10:00 am to 7:30 pm
March 17 - September 3

The Museum will close early on select dates due to scheduled evening events. The following list of early closings will be updated as information becomes available.

The Steven F. Udvar-Hazy Center
in Chantilly, VA will be open extended hours during the summer of 2012:

10:00 am to 6:30 pm
May 25 - September 3

The Museum will close early on select dates due to scheduled evening events. The following list of early closings will be updated as information becomes available.

The National Mall Building in downtown Washington, DC will close early on the following dates and times:

5:30 pm on Wednesday, May 23, 2012
5:30 pm on Thursday, May 24, 2012
5:30 pm on Friday, May 25, 2012
5:30 pm on Saturday, May 26, 2012
5:30 pm on Wednesday, May 30, 2012
5:30 pm on Sunday, June 3, 2012
5:30 pm on Saturday, June 9, 2012
5:30 pm on Tuesday, June 26, 2012
5:30 pm on Wednesday, June 27, 2012
5:30 pm on Wednesday, August 29, 2012

The Steven F. Udvar-Hazy Center in Chantilly, VA will close early on the following dates and times:

5:30 pm on Wednesday, May 30, 2012
5:30 pm on Monday, June 11, 2012
5:30 pm on Wednesday, June 13, 2012
5:30 pm on Thursday, June 14, 2012
5:30 pm on Monday, June 18, 2012
5:30 pm on Tuesday, June 19, 2012
5:30 pm on Saturday, July 28, 2012
5:30 pm on Thursday, August 2, 2012