Also known as the Vietnam Military History Museum, set up on July 17, 1956, is one of seven national museums in Vietnam. It covers 12,800 m². It is situated in central Hanoi.
In the anime, the museum is shown during Saya's mission in Vietnam. She along with the Lycee students goes on a field trip to the museum. Saya starts having flashbacks of the war and sees herself covered in blood. Before coming back from the tour, she is confronted by the phantom near the museum.