A P-51 Mustang in flight
The P-51 Mustang is a flying machine used on Earth, by the United States of America, during the Second World War. It was primarily used for bomber escort. It was well armed with .50 caliber machine guns. The Mustang was one of the best aircraft in World War II. It was maneuverable and fast with a 2,000 pound bomb load. (ENT: "Storm Front")
When attempting to land in San Francisco in an alternate timeline, Commander Charles Tucker and Ensign Travis Mayweather were fired upon in their shuttlepod by three P-51s. (ENT: "Zero Hour", "Storm Front")