Supreme Headquarters Allied Powers Europe in order to serve as White House Chief of Staff for President Richard Nixon during the depths of the Watergate crisis, was abruptly installed as SACEUR after Watergate's denouement. Haig arrived in 1974. Some scattered notes about his time at SHAPE are recorded by Colodny and Shachtman's book "The Forty Years War". A creature of habit, Haig took the same route to SHAPE every day – a pattern of behavior that did not go unnoticed by terrorist groups. On June 25, 1979, Haig was the apparent target of an assassination attempt in Mons, Belgium. A land mine blew up under
Supreme Headquarters Allied Expeditionary Force to this day. Southwick House was used as an alternative headquarters near Portsmouth. Its staff took the outline plan for Operation Overlord created by Lieutenant General Sir Frederick E. Morgan, Chief of Staff to the Supreme Allied Commander (Designate) (COSSAC), and Major General Ray Barker. Morgan, who had been appointed chief of staff to the Supreme Allied Commander (designate) in mid-March 1943 began planning for the invasion of Europe before Eisenhower's appointment. and moulded the plan into the final version, which was executed on 6 June 1944. That process was shaped by Eisenhower and the land forces commander for the