A custom-built F-15J fighter, capable of reaching speeds of Mach 2.5, will not be flying for the Air Force. This aircraft was specifically designed for a particular client.

Further information about this fighter is available from the source, 19FortyFive. The source provides details about the F-15J's capabilities and its intended use.

The F-15J's high speed and custom design make it a notable aircraft, but its use will be limited to its original purpose, as intended by its designers.