He later served in the United States Army Air Force during World War II.

[1] After the war, Jones established a law practice in Greenwich, Connecticut.

His legal career took a prominent turn when Senator Lowell P. Weicker Jr. recommended him for the position of U.S. Attorney for Connecticut in 1969.

His Chief Assistant, Harold J. Pickerstein, served as Acting U.S. Attorney following Jones's health issues.

A man of many interests, he co-founded the Karate Institute of Greenwich and was a collector of Japanese stoneware.