1944: Captain Joseph Wenger became head of OP-20-G.
After Pearl Harbor, Rear Admiral Wenger assisted in designing the reorganization of the Navy's COMINT structure, changing OP-20-G from decentralized to centralized operations. After the war ended, he served as a Deputy Director for COMINT at the Armed Forces Security Agency, and in 1952 became Vice Director of NSA.
He was inducted into the NSA/CSS Cryptologic Hall of Honor in 2005. Read more about his career and accomplishments at the link below.