§ 8746. Silver star: award
The President may award a silver star of appropriate design, with ribbons and appurtenances, to a person who, while serving in any capacity with the Air Force, is cited for gallantry in action that does not warrant a medal of honor or Air Force cross—
(3)
while serving with friendly foreign forces engaged in an armed conflict against an opposing armed force in which the United States is not a belligerent party.