Complex sentence: The Lockheed Martin FB-22 (sometimes called the Strike Raptor) is a proposed United States Air Force bomber aircraft, derived from the F-22 Raptor and intended to replace the F-15E Strike Eagle.
Split into simpler sentences: The Lockheed Martin FB-22 (sometimes called the Strike Raptor) is a proposed United States Air Force bomber aircraft. It is derived from the F-22 Raptor and intended to replace the F-15E Strike Eagle.