42 U.S.C. § 1993

section 252 of Title 10Section, R.S. § 1989, authorized President to employ land or naval forces to aid in execution of judicial process issued under sections 1981 to 1983 or 1985 to 1992 of this title, or to prevent violation and enforce due execution of sections 1981 to 1983 and 1985 to 1994 of this title. See , Armed Forces.