Complex sentence: John William Vessey Jr. (June 29,1922--August 18,2016) was a United States Army general, and the tenth Chairman of the Joint Chiefs of Staff, from June 18,1982, to September 30,1985.
Split into simpler sentences: John William Vessey Jr. (June 29,1922--August 18,2016) was an American military officer. He was a United States Army general, and served as the tenth Chairman of the Joint Chiefs of Staff from June 18,1982, to September 30,1985.