Marines escort the ceremonial cake during a 238th birthday cake cutting ceremony aboard Marine Corps Air Station Miramar, Calif., Nov. 7. The cake cutting ceremony symbolizes the passing of wisdom from the oldest Marine to the youngest Marine. - Marines escort the ceremonial cake during a 238th birthday cake cutting ceremony aboard Marine Corps Air Station Miramar, Calif., Nov. 7. The cake cutting ceremony symbolizes the passing of wisdom from the oldest Marine to the youngest Marine.