“Friendly foreign force” means any military, naval, or air force of any friendly foreign state with respect to which this chapter is operative by virtue of a Presidential declaration as provided in section 706 of this title.

“Service court” means any military, naval, or air force court, or court martial or similar tribunal of any friendly foreign force within the United States.

“United States” means the United States, its Territories, its insular possessions, the Canal Zone, and any other place subject to the jurisdiction of the United States.