Complex sentence: John Lester Hubbard Chafee (22 October 1922-1999) was an officer in the Marines, a governor of Rhode Island, the Secretary of the Navy and a United States Senator.
Split into simpler sentences: John Lester Hubbard Chafee (22 October 1922--24 October 1999) was an American politician. He served as an officer in the U.S. Marines, as governor of Rhode Island, as the Secretary of the Navy, and as a United States Senator.