Okla. Stat. tit. 72, § 72-5: Veterans to whom provisions available

The provisions of this act shall be available to any disabled

person who served during World War II, or any State of National

Emergency as declared by the President of the United States, in the

military or naval forces of any nation allied or associated with the

United States, provided that the person was at the time of enlisting

in the military or naval forces a citizen of the United States and

is a citizen of the United States at the time he or she applies for

the benefit of this act.