Sec. 329. [8 U.S.C. 1440]
(a) Any person who
, while an alien or a noncitizen national of the United States
, has served honorably
as a member of the Selected Reserve of the Ready Reserve or 1/ in an active-duty status in the military, air, or naval forces of the United States during
either World War I or during a period beginning September 1, 1939, and ending December 31, 1946, or during a period beginning June 25, 1950, and ending July 1, 1955, or during a period beginning February 28, 1961, and ending on a date designated by the President by Executive order as the date of termination of the Vietnam hostilities, or thereafter during any other period which the President by Executive order shall designate as a period in which Armed Forces of the United States are or were engaged in military operations involving armed conflict with a hostile foreign force, and who, if separated from such service, was separated under honorable conditions, may be naturalized as provided in this section
if (1) at the time of enlistment, reenlistment, extension of enlistment, 1/ or induction such person shall have been in the United States, the Canal Zone, America Samoa, or Swains Island, or on board a public vessel owned or operated by the United States for noncommercial service, 1/ whether or not he has been lawfully admitted to the United States for permanent residence
, or (2) at any time subsequent to enlistment or induction such person shall have been lawfully admitted to the United States for permanent residence. The executive department under which such person served shall determine whether persons have served honorably in an active-duty status, and whether separation from such service was under honorable conditions: Provided, however, That no person who is or has been separated from such service on account of alienage, or who was a conscientious objector who performed no military, air, or naval duty whatever or refused to wear the uniform, shall be regarded as having served honorably or having been separated under honorable conditions for the purposes of this section. No period of service in the Armed Forces shall be made the basis of a application for naturalization under this section if the applicant has previously been naturalized on the basis of the same period of service.