Complex sentence: The North Korean steamer was one of the vessels, formerly an American merchant ship of 1,000 tons, she was armed with machine guns and loaded with 600 soldiers of the 766th Independent Infantry Regiment.
Split into simpler sentences: The North Korean steamer was one of the vessels. Formerly an American merchant ship of 1,000 tons, she was armed with machine guns and loaded with 600 soldiers of the 766th Independent Infantry Regiment.