US forces Oath:

I, your name (25 letters), do solemnly swear 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 and that I will obey the orders of the President of the United States and the orders of the officers appointed over me, according to the regulations and the Uniform Code of Military Justice. So help me God.

UK forces Oath:

I your name (25 letters), swear
by Almighty God that I will be faithful
and bear true allegiance to
Her Majesty Queen Elizabeth II,
her Heirs and Successors
and that I will as in duty bound
honestly and faithfully defend
Her Majesty, her Heirs and Successors,
in Person, Crown and Dignity
against all enemies and will
observe and obey all orders of
Her Majesty, her Heirs and Successors
and of the Generals and Offcers
set over me.

UK
US

letters and symbols allowed

ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890@&´`¨^-'!().:ÅÆØåæø   (Do not use " inverted commas)