Complex sentence: A force of 150 American marines and sailors under Lieutenant Commander Theodore F. Jewell were put ashore along with another seventy to eighty Britons under a Captain Bay from the sloop HMS "Tenedos".
Split into simpler sentences: A force of 150 American marines and sailors under Lieutenant Commander Theodore F. Jewell. Another seventy to eighty Britons under a Captain Bay were also landed from the sloop HMS "Tenedos".