It is a defense that the actor, in engaging in the conduct charged to constitute an offense, does no more than execute an order of his superior in the armed services which he does not know and cannot reasonably be expected to know to be unlawful.
18 Pa.C.S. § 310
Military orders
Known as the Crimes Code
The act spans §§ 18–18 (603 sections).
Official source: Pennsylvania General Assembly. Reproduced from public-domain Pennsylvania statutes; confirm against the official source for the current text. Not legal advice.