Lawrence Timmons served in the U.S. Navy during World War II. His service was with the combined research group at the Navy Research Lab in Washington, DC. His rank was MMS 2/C. He was discharged on March 7, 1946. He was recalled to Active Navy duty - Korean Conflict - November 10,1950 to February 14, 1952. His duty station was sub-base - Pearl Harbor, T.H.