22 U.S.C. § 704 : US Code - Section 704: Immunities of courts and witnesses

Search 22 U.S.C. § 704 : US Code - Section 704: Immunities of courts and witnesses

Members of any service court of a friendly foreign force lawfully
exercising jurisdiction in the United States in relation to members
of such force, and any witnesses appearing before such service
court, shall enjoy the same immunities and privileges as are
enjoyed by members of a court martial of the United States and by
witnesses appearing before such a court martial.