18 U.S.C. § 960 : US Code - Section 960: Expedition against friendly nation

Search 18 U.S.C. § 960 : US Code - Section 960: Expedition against friendly nation

Whoever, within the United States, knowingly begins or sets on
foot or provides or prepares a means for or furnishes the money
for, or takes part in, any military or naval expedition or
enterprise to be carried on from thence against the territory or
dominion of any foreign prince or state, or of any colony,
district, or people with whom the United States is at peace, shall
be fined under this title or imprisoned not more than three years,
or both.