The Pentagon through time

Published On: Aug 24 2011 09:50:38 AM CDT   Updated On: Sep 10 2013 01:27:54 PM CDT
The Pentagon through time

Finished in 1943, the Pentagon is a symbol of U.S. military might. It's also one of the places attacked on 9/11.

Pentagon Slideshow: 911 Memorial At Pentagon
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Carol M. Highsmith's America/Library of Congress

The National 9/11 Pentagon Memorial opened on the 2008 anniversary of the Sept. 11 attacks. It features 184 benches, each one etched with the name of a victim who died at the Pentagon. Each bench sits above its own reflection pool.

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