Complex sentence: This results in a large and difficult to repair crater in the runway that is worse than a dropped bomb of comparable warhead size; the rocket can penetrate up to 40 centimeters of concrete, and creates a crater 5 meters deep and approximately 16 meters in diameter.
Split into simpler sentences: This results in a crater that is large and difficult to repair, worse than a bomb of comparable warhead size. The rocket can penetrate up to 40 centimeters of concrete, and creates a crater 5 meters deep and approximately 16 meters in diameter.