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Joseph Raymond McCarthy was an American politician who served as a Republican U.S. Senator from the state of Wisconsin from 1947 until his death at age 48 in 1957. Beginning in 1950, McCarthy became the most visible public face of a period in the United States in which Cold War tensions fueled fears of widespread communist subversion. He alleged that numerous communists and Soviet spies and sympathizers had infiltrated the United States federal government, universities, film industry, and elsewhere. Ultimately, he was censured by the Senate in 1954 for refusing to cooperate with, and abusing members of, the committee established to investigate whether or not he should be censured. The term "McCarthyism", coined in 1950 in reference to McCarthy's practices, was soon applied to similar anti-communist activities. Today, the term is used more broadly to mean demagogic, reckless, and unsubstantiated accusations, as well as public attacks on the character or patriotism of political opponents. Born in Grand Chute, Wisconsin, McCarthy commissioned into the Marine Corps in 1942, where he served as an intelligence briefing officer for a dive bomber squadron. Following the end of World War II, he attained the rank of major. He volunteered to fly twelve combat missions as a gunner-observer. These missions were generally safe, and after one where he was allowed to shoot as much ammunition as he wanted to, mainly at coconut trees, he acquired the nickname "Tail-Gunner Joe". Some of his claims of heroism were later shown to be exaggerated or falsified, leading many of his critics to use "Tail-Gunner Joe" as a term of mockery. A Democrat until 1944, McCarthy successfully ran for the U.S. Senate in 1946 as a Republican, narrowly defeating incumbent Robert M. La Follette Jr. in the Wisconsin Republican primary, then Democratic challenger Howard McMurray by a 61% - 37% margin. After three largely undistinguished years in the Senate, McCarthy rose suddenly to national fame in February 1950, when he asserted in a speech that he had a list of "members of the Communist Party and members of a spy ring" who were employed in the State Department. In succeeding years after his 1950 speech, McCarthy made additional accusations of Communist infiltration into the State Department, the administration of President Harry S. Truman, the Voice of America, and the U.S. Army. He also used various charges of communism, communist sympathies, disloyalty, or sex crimes to attack a number of politicians and other individuals inside and outside of government. This included a concurrent "Lavender Scare" against suspected homosexuals; as homosexuality was prohibited by law at the time, it was also perceived to increase a person's risk for blackmail. With the highly publicized Army–McCarthy hearings of 1954, and following the suicide of Wyoming Senator Lester C. Hunt that same year, McCarthy's support and popularity faded. On December 2, 1954, the Senate voted to censure McCarthy by a vote of 67–22, making him one of the few senators ever to be disciplined in this fashion. He continued to rally against communism and socialism until his death at the age of 48 at Bethesda Naval Hospital in Bethesda, Maryland, on May 2, 1957. His death certificate listed the cause of death as "Hepatitis, acute, cause unknown". Doctors had not previously reported him to be in critical condition. Some biographers say this was caused or exacerbated by alcoholism.