President Truman's relief of General Douglas MacArthur with ammunition and to sail for Pusan. President Truman met with the Joint Chiefs of Staff and other advisors that day at Blair House and approved the actions already taken by MacArthur and Secretary of State Dean Acheson. At another meeting at Blair House held on the evening of 26 June, amid reports of a rapidly deteriorating situation in South Korea, Truman approved the use of air and naval forces against military targets south of the 38th parallel north. Subsequently, on 27 June, the United Nations Security Council passed Resolution 83, which recommended that "members of the United Nations furnish
President Truman's relief of General Douglas MacArthur unanimous recommendations of the President's principal civilian and military advisers including the Joint Chiefs of Staff." Afterwards, MacArthur flew to New York City where he received the largest ticker-tape parade in history up to that time. He also visited Chicago and Milwaukee, where he addressed large rallies. In May and June 1951, the Senate Armed Services Committee and the Senate Foreign Relations Committee held "an inquiry into the military situation in the Far East and the facts surrounding the relief of General of the Army Douglas MacArthur." The Senate thereby attempted to avoid a constitutional crisis. Because of the sensitive