The image is a photograph of a yellow sign with black text that reads "Phao Phong Khong 57 mm C-60 57 mm anti-aircraft artillery AZP S-60". The sign is located in front of a black tire, which appears to be part of a military vehicle. The text on the sign is written in Vietnamese and translates to "Service History" in English. Below the text, there is a list of specifications for the service history of the service, including the size, weight, and caliber of the aircraft. The specifications are written in black text and are arranged in a neat and organized manner. The background of the image is blurred, but it seems to be an outdoor setting with other military vehicles visible in the background.