18 U.S. Code § 592.Troops at polls
Whoever, being an officer of the Army or Navy, or other person in the civil, military, or naval service of the United States, orders, brings, keeps, or has under his authority or control any troops or armed men at any place where a general or special election is held, unless such force be necessary to repel armed enemies of the United States, shall be fined under this title or imprisoned not more than five years, or both; and be disqualified from holding any office of honor, profit, or trust under the United States.
This section shall not prevent any officer or member of the armed forces of the United States from exercising the right of suffrage in any election district to which he may belong, if otherwise qualified according to the laws of the State in which he offers to vote.
18 U.S. Code § 593.Interference by armed forces
Whoever, being an officer or member of the Armed Forces of the United States, prescribes or fixes or attempts to prescribe or fix, whether by proclamation, order or otherwise, the qualifications of voters at any election in any State; or
Whoever, being such officer or member, prevents or attempts to prevent by force, threat, intimidation, advice or otherwise any qualified voter of any State from fully exercising the right of suffrage at any general or special election; or
Whoever, being such officer or member, orders or compels or attempts to compel any election officer in any State to receive a vote from a person not legally qualified to vote; or
Whoever, being such officer or member, imposes or attempts to impose any regulations for conducting any general or special election in a State, different from those prescribed by law; or
Whoever, being such officer or member, interferes in any manner with an election officer’s discharge of his duties—
Shall be fined under this title or imprisoned not more than five years, or both; and disqualified from holding any office of honor, profit or trust under the United States.
This section shall not prevent any officer or member of the Armed Forces from exercising the right of suffrage in any district to which he may belong, if otherwise qualified according to the laws of the State of such district.
18 U.S. Code § 594.Intimidation of voters
Whoever intimidates, threatens, coerces, or attempts to intimidate, threaten, or coerce, any other person for the purpose of interfering with the right of such other person to vote or to vote as he may choose, or of causing such other person to vote for, or not to vote for, any candidate for the office of President, Vice President, Presidential elector, Member of the Senate, Member of the House of Representatives, Delegate from the District of Columbia, or Resident Commissioner, at any election held solely or in part for the purpose of electing such candidate, shall be fined under this title or imprisoned not more than one year, or both.
Just remember that if the President orders troops to the polls, that's a felony right there. Somebody better tell him, because I don't think he knows.
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