page_title: William Harding Jackson
section_title: Career
hierarchical_section_title: William Harding Jackson / Career
caption_attribution_description: English: Maj Gen William J 'Wild Bill', Director, OSS and Colonel William Harding Jackson (ca 1945)
context_page_description: William Harding Jackson was a U.S. civilian administrator, New York lawyer, and investment banker who served as Deputy Director of the Central Intelligence Agency. Jackson also served briefly under President Dwight D. Eisenhower as Acting United States National Security Advisor from 1956 to 1957.
context_section_description: In 1928, Jackson joined the New York law firm of Cadwalader, Wickersham & Taft. In 1929 he became an Associate of Beekman, Bobue & Clark.  Following the stock market crash of 1929, Jackson moved to the business and financial interest law firm of Carter, Ledyard & Milburn, where he became a full partner in 1934.
  During World War II, Jackson served in the United States Army (6 March 1942 – 7 July 1945) as an intelligence officer, graduating from the Army-Air Force (USAAF) Air Combat Intelligence School at Harrisburg, Pennsylvania. He was assigned as an A-2 Assistant Intelligence officer, HQ 1st Bomber Command at 90 Church Street in New York (close to his law office), which immediately became the USAAF Anti-Submarine Command. Jackson was the principal author (along with investment banker Alexander Standish and Harold B. Ingersoll) of the USAAF Bay of Biscay Intelligence Estimate, calling for the attack on Nazi U-boats at their source on the coast of France. This was a significant turning point for the Battle of the Atlantic. 
  After graduation from Harrisburg in June 1942, Jackson was promoted to Major and brought into the War Department by Secretary Henry L. Stimson, where he became General Staff (Chief of Secret Intelligence reporting to General George C. Marshall from the European Theater of Operations (ETO) at COSSAC headquarters) with the cover title Chief of G-2 intelligence for 1st Army Group (FUSAG). After training on the Enigma codes at Bletchley Park, UK, he became the senior ULTRA SCIU team leader for all US armies in the ETO.
  Jackson achieved the rank of lieutenant colonel, and was assigned by Gen. Hap Arnold to the planning staff of Brig. Gen. Harold George, who had just taken over the USAAF Air Transport Command. He was listed as the Adjutant General for the ATC European Wing that ferried more than 7,000 U.S. aircraft to Britain during WW II. He received recognition for work rebuilding or expanding air fields in the United Kingdom for American aircraft and creating an expanded communications network for top secret secured communications (again, with Standish and Ingersoll). By summer of 1943, he was given the 'cover title' Assistant Attache for Air, stationed at the US Embassy under Ambassador Gil Winant near Grosvenor Square, next to the Office of Strategic Services (OSS). Shortly thereafter he was promoted to full colonel and appointed G-2 intelligence chief at 1st Army Group (FUSAG) headquarters in London's West End to work on Operation Bodyguard, the massive deception plan to make the Nazis believe the D-Day assault (Operation Overlord) would come from Scandinavia in the north and at Pas-de-Calais under the command of Gen. George S. Patton, at the narrowest point of the English Channel. He worked closely with Gen. T. J. Betts, Deputy G-2 SHAEF and then Colonel Edwin L. Sibert (G-2) at Headquarters, 1st Army located in Bristol.
  After the successful D-Day feint, Jackson was made head of all OSS X-2 Special Counter-Intelligence Units (SCIU) in the ETO, traveling with 12th Army Group's forward EAGLE TAC headquarters to Luxembourg on General Omar Bradley's staff. During the "Battle of the Bulge" in Dec-Jan 1945 (in addition to his duties with ULTRA and SCIU teams), on January 1, 1945 during the middle of heated battle, Jackson was named Deputy G-2 for all U.S. armies at 12th Army Group.
  Decorations—For service to his country and the people of Europe, Jackson was awarded the Bronze Star, the Legion of Merit with 1-OLC, and the Belgian Croix de Guerre. He is believed to be the only US Army officer below the rank of general to receive both the French Legion of Honor and Croix de Guerre with Palm.
  Prior to discharge from the Army and OSS, Jackson was assigned the task of studying the British Secret Intelligence Service. The study took four months working in London with MI-5, MI-6 and Sir Anthony Eden to complete a report for Gen. Marshall and Gen. Donovan on June 14, 1945. On November 14, 1945 at the request of then SecNav James Forrestal, William Harding Jackson submitted his own plan for a new central intelligence
caption: Brig. Gen. William J. Donovan, Director of the OSS, and Jackson (right) in April 1945
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