Complex sentence: The IMI'Runway Piercing Bomb' was a prototype Israeli-French anti-runway weapon, it used rocket braking over the target and a second rocket burst to plunge through the runway surface and explode.
Split into simpler sentences: The IMI'Runway Piercing Bomb' was a prototype Israeli-French anti-runway weapon. It used rocket braking over the target and a second rocket burst to plunge through the runway surface and explode.