HMS Illustrious is being used as a Helicopter Carrier, since we've given away (literally) our Harrier fleet, and it's not sufficient for other maritime jets to operate from.
If we still had STOVLs, we would almost have 2 aircraft carrier-capable vessels But as it stands: choppas.
If we still had STOVLs, we would almost have 2 aircraft carrier-capable vessels But as it stands: choppas.