FILE - This March 26, 1947, file photo shows Federal Bureau of Investigation Director J. Edgar Hoover calling the communist party of the United States a "Fifth Column" whose "goal is the overthrow of our government" during testimony before the House Un-American Activities Committee in Washington. Fearing a Russian invasion and occupation of Alaska, the U.S. government in the early Cold War years recruited and trained fishermen, bush pilots, trappers and other private citizens across Alaska for a covert network to feed wartime intelligence to the military, newly declassified Air Force and FBI documents show. Hoover teamed up on a highly classified project, code-named “Washtub,” with the newly created Air Force Office of Special Investigations, headed by Hoover protege and former FBI official Joseph F. Carroll. (AP Photo/File)