Complex sentence: The refit improved her machinery and magazines, converted her to full night-vision tactical ability for landing craft and aircraft, and gave her the ability to operate two Chinook helicopters from the flight desk at the same time.
Split into simpler sentences: The refit improved her machinery and magazines, and converted her to full night vision tactical ability for landing craft and aircraft. It also gave her the ability to operate two Chinook helicopters from the flight desk at the same time.