Lorraine Campaign and Operation Undertone both occurred during which war?
Operation Undertone Operation Undertone was a large assault by the U.S. Seventh and French 1st Armies of the U.S. Sixth Army Group as part of the Allied invasion of Germany in March 1945 during World War II.
Ray Barker Ray Wehnes Barker (December 10, 1889 – June 28, 1974) was a Major General of the Allied Forces, and served in the European Theater of Operations During World War II. General Barker was a key member of the combined United States-British group, which became known as COSSAC (Chief of Staff to Supreme Allied Commander). This group planned the Battle of Normandy, codenamed "Operation Overlord", also known as D-Day, which liberated Occupied France. He served as the Deputy Chief of Staff of the European Theater from 1943–1944, and Deputy Chief of Staff for Supreme Headquarters Allied Expeditionary Force.