sentences:  Throughout its history the Marshals have also provided unique security and enforcement services including protecting African-American students enrolling in the South during the civil rights movement, escort security for United States Air Force LGM-30 Minuteman missile convoys, law enforcement for the United States Antarctic Program, and protection of the Strategic National Stockpile.The office of United States Marshal was created by the First Congress.President George Washington signed the Judiciary Act into law on September 24, 1789.