Brigade General Leo Lopulisa opened this museum on June 21 1971. This museum was located in H. Zainul Arifin Street 8, Medan. This military museum kept several historic weapons include the weapon that was utilized in the struggle for independence and the revolt in North Sumatra during 1958. In this museum we could see several motives/ painting of the revolt against the Netherlands. This museum is open on Monday – Friday (08.00 – 14.30) and closed on Saturday – Sunday.