Complex sentence: Article 125 had run out of fuel due to a faulty fuel gauge seventy miles from Groom Dry Lake, the pilot had glided to a lower altitude to perform a controlled bailout but he then could not separate his parachute from his ejection seat.
Split into simpler sentences: Article 125 had run out of fuel due to a faulty fuel gauge seventy miles from Groom Dry Lake. The pilot had glided to a lower altitude to perform a controlled bailout but could not separate his parachute from his ejection seat.