Complex sentence: Two Goalkeeper CIWS systems protect the ship against incoming missiles and aircraft at short range, while two Oto Melara Marlin WS 30mm rapid cannons provide force-protection against small surface targets such as high speed boats.
Split into simpler sentences: Two Goalkeeper CIWS systems protect the ship against incoming missiles and aircraft at short range. And two Oto Melara Marlin WS 30mm rapid cannons provide force-protection against small surface targets such as high speed boats.