Complex sentence: Nuclear bunker buster, also known as earth-penetrating weapon (EPW), is a type of nuclear weapon designed to penetrate into soil, rock, or concrete to deliver a nuclear warhead to a target.
Split into simpler sentences: Nuclear bunker buster, also known as earth-penetrating weapon (EPW), the nuclear weapon version of the bunker buster. The nuclear component of the weapon is designed to penetrate into soil, rock, or concrete to deliver a nuclear warhead to a target.