This is the relevant information: Following the reopening of the National Museum of American History on November 21, 2008, the flag is now on display in a two-story display chamber that allows it to lie at a 10-degree angle in dim light.
This justifies what answer for what question? Q & A: 
Passage: Following the reopening of the National Museum of American History on November 21, 2008, the flag is now on display in a two-story display chamber that allows it to lie at a 10-degree angle in dim light. The Smithsonian has created a permanent exhibition to document the flag's history and significance, called "The Star-Spangled Banner: The Flag that Inspired the National Anthem". Visitors are allowed a clear view of the flag, while it remains protected in a controlled environment.

Question: Based on this passage, where is the original star spangled banner on display?
the National Museum of American History