Arthur G. Trudeau, 88, a retired lieutenant general who headed the Army's Research and Development Command. Trudeau was named chief of Army intelligence in 1953 but was relieved of his duties less than two years later when then-CIA Director Allen Dulles complained of political practices within Trudeau's command. The general, an ardent foe of communism, often clashed with other government officials about their positions on the Soviet Union and China. Trudeau also was a specialist on amphibious warfare and served as an aide to Gen. Dwight D. Eisenhower during the 1944 Allied invasion of Europe. After his retirement in 1962, he became assistant to the chairman of Rockwell International. In Chevy Chase, Md., on Wednesday.