18 U.S.C. § 2387 - U.S. Code - Unannotated Title 18. Crimes and Criminal Procedure § 2387. Activities affecting armed forces generally

(a) Whoever, with intent to interfere with, impair, or influence the loyalty, morale, or discipline of the military or naval forces of the United States:

Shall be fined under this title or imprisoned not more than ten years, or both, and shall be ineligible for employment by the United States or any department or agency thereof, for the five years next following his conviction.

(b) For the purposes of this section, the term “military or naval forces of the United States” includes the Army of the United States, the Navy, Air Force, Marine Corps, Coast Guard, Navy Reserve, Marine Corps Reserve, and Coast Guard Reserve of the United States; and, when any merchant vessel is commissioned in the Navy or is in the service of the Army or the Navy, includes the master, officers, and crew of such vessel.