The image is a photograph of a red sign with white text. The sign is located in front of a large military vehicle, which appears to be a tank or artillery. The text on the sign reads "Phao Cao XA 57MM" which translates to "Anti-Aircraft Artillery of the Liberation Army used during the liberation campaign in Thua Thien Hue in the Spring of 1975". The sign also mentions that the anti-aircraft artillery was used during this time period. The background of the image is blurred, but it seems to be an outdoor setting with other military vehicles visible.