National Guard - 32 U.S. Code § 304. Enlistment oath
"Each person enlisting in the National Guard shall sign an enlistment contract and subscribe to the following oath:
“I do hereby acknowledge to have voluntarily enlisted this __ day of ____, 19_, in the ______ National Guard of the State of ______ for a period of __ year(s) under the conditions prescribed by law, unless sooner discharged by proper authority.
“I, ________, do solemnly swear (or affirm) that I will support and defend the Constitution of the United States and of the State of ______ against all enemies, foreign and domestic; that I will bear true faith and allegiance to them; and that I will obey the orders of the President of the United States and the Governor of ______ and the orders of the officers appointed over me, according to law and regulations. So help me God.”"
(Aug. 10, 1956, ch. 1041, 70A Stat. 602; Pub. L. 87–751, § 2, Oct. 5, 1962, 76 Stat. 748; Pub. L. 100–456, div. A, title XII, § 1234(b)(1), Sept. 29, 1988, 102 Stat. 2059.)