51 Pa. C.S. § 102
Subject to additional definitions contained in subsequent provisions of this title which are applicable to specific provisions of this title, the following words and phrases when used in this title shall have, unless the context clearly indicates otherwise, the meanings given to them in this section:
"Armory." as follows:
"Department." The Department of Military and Veterans Affairs of the Commonwealth.
"National Defense Act." The act of Congress, entitled "An act for making further and more effectual provisions for the National Defense and for other purposes," approved June 3, 1916, its amendments and supplements.
"National Guard of the United States." The Army National Guard of the United States and the Air National Guard of the United States.
"Officer." Commissioned or warrant officer.
"Order." General or special order, oral or written, whether issued pursuant to State or Federal authority.
"Pennsylvania Guard." Those organized units of the Pennsylvania military forces which are not Federally recognized or which serve under the authority of the Governor when the Pennsylvania National Guard, in whole or in part, is on extended Federal active duty.
"Pennsylvania military forces." The land, air and sea military units organized for the internal security of this Commonwealth.
"Pennsylvania National Guard." The Pennsylvania Army National Guard and the Pennsylvania Air National Guard.
51 Pa.C.S. § 102