The image is a photograph of a blue sign with white text and images on it. The sign is located in a park or outdoor area with other military equipment visible in the background. The text on the sign reads "MK20 20mm 20mm" in both English and Korean. Below the text, there is an image of a group of soldiers in full combat gear, with the text "MK 20" in Korean. The background of the sign is a grassy area with trees and shrubs.