The image is a photograph of a sign at the Museum of Aviation in North American P-51D Mustang. The sign is rectangular in shape and has a blue background with white text. On the left side of the sign, there is a list of specifications for the Mustang, including the engine, wingspan, length, weight, and performance. The specifications are written in black text and are arranged in a table format. 

The list includes details about the Mustang's specifications, such as its size, weight capacity, and other specifications. It also mentions that the Mustang was designed in the 1940s and 1950s, and that it was the first model to be built in the United States.

At the bottom of the page, there are two bullet points that explain the specifications of the Mustang and how they were built. The first bullet point explains that the model was built during World War II, and the second bullet point provides information about its specifications. The text also mentions the service ceiling, which is approximately 4,900 feet long.