Yes. The museum is free, and with a military ID you and a guest can enter without getting tickets ahead of time.
The museum is free, but if you have a military ID, you do not need to get tickets online, just stand in the military line, not the timed entry passes line.
This Museum is free, The problem was that there were a lot of people trying to visit and you have to get your on Etix tickets on http://event.etix.com/ticket/e/1004039/timed-entry-pass-washington-national-museum-of-african-american-history-and-culture
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