Complex sentence: PT Boats in the United States Navy 2003 Naval Institute Press After it was sunk by the Japanese, Richardson and a dozen fellow Americans attempted to sail a native outrigger to Australia, but the boat was sunk in a storm.
Split into simpler sentences: PT Boats in the United States Navy 2003 Naval Institute Press which was sunk by the Japanese. Afterwards, Richardson and a dozen fellow Americans attempted to sail a native outrigger to Australia, but the boat was sunk in a storm.