The image is a photograph of a blue sign with white text and images. The sign is located in a garden with pink flowers and green plants. The text on the sign reads "M577" in Korean, which translates to "M777" in English. Below the text, there is an image of a military vehicle, possibly a truck or a helicopter, with a blue sky in the background. 

The sign appears to be a historical marker or information board, likely located in South Korea.