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Pledge of Allegiance to the Flag
I pledge allegiance to the flag of the United States of America, and to the Republic for which it stands, one nation under God, indivisible, with liberty and justice for all.

Клятва на верность флагу
Обязуюсь хранить верность флагу Соединённых Штатов Америки и Республике, которую он олицетворяет, единой перед Богом, неделимой, свободной и справедливой во всём.
Цит. по АМЕРИКАНА Англо-русский лингвострановедческий словарь. Под ред. Г. В. Чернова. М. – Полиграмма. 1996

Text of the Oath

I, [name], do solemnly swear (or affirm) that I will support and defend the Constitution of the United States against all enemies, foreign and domestic; that I will bear true faith and allegiance to the same; that I take this obligation freely, without any mental reservation or purpose of evasion; and that I will well and faithfully discharge the duties of the office on which I am about to enter. So help me God.

Officers of the National Guard of the various States, however, take an additional oath:

I, [name], do solemnly swear (or affirm) that I will support and defend the Constitution of the United States and the Constitution of the State (Commonwealth, District, Territory) of ___ against all enemies, foreign and domestic; that I will bear true faith and allegiance to the same; that I will obey the orders of the President of the United States and the Governor of the State (Commonwealth, District, Territory) of ___, that I make this obligation freely, without any mental reservations or purpose of evasion, and that I will well and faithfully discharge the duties of the Office of [grade] in the Army/Air National Guard of the State (Commonwealth, District, Territory) of ___ upon which I am about to enter, so help me God.

Зайдите в Википедии в статью Департамент полиции Нью-йорка там в примечаниях много чего есть может и прясяга
http://www.nyc.gov/portal/site/nycgov/menuitem.c0935b9a57bb4ef3daf2f1c701c789a0/index.jsp?pageID=mayor_press_release&catID=1194&doc_name=http://www.nyc.gov/html/om/html/2008b/pr326-08.html&cc=unused1978&rc=1194&ndi=1