8 U.S.C. § 1439

A person who has served honorably at any time in the armed forces of the United States for a period or periods aggregating one year, and, who, if separated from such service, was never separated except under honorable conditions, may be naturalized without having resided, continuously immediately preceding the date of filing such person’s application, in the United States for at least five years, and in the State or district of the Service in the United States in which the application for naturalization is filed for at least three months, and without having been physically present in the United States for any specified period, if such application is filed while the applicant is still in the service or within six months after the termination of such service.

In the case such applicant’s service was not continuous, the applicant’s residence in the United States and State or district of the Service in the United States, good moral character, attachment to the principles of the Constitution of the United States, and favorable disposition toward the good order and happiness of the United States, during any period within five years immediately preceding the date of filing such application between the periods of applicant’s service in the Armed Forces, shall be alleged in the application filed under the provisions of subsection (a) of this section, and proved at any hearing thereon. Such allegation and proof shall also be made as to any period between the termination of applicant’s service and the filing of the application for naturalization.

section 1427(a) of this titleThe applicant shall comply with the requirements of , if the termination of such service has been more than six months preceding the date of filing the application for naturalization, except that such service within five years immediately preceding the date of filing such application shall be considered as residence and physical presence within the United States.

section 1427(a) of this titleAny such period or periods of service under honorable conditions, and good moral character, attachment to the principles of the Constitution of the United States, and favorable disposition toward the good order and happiness of the United States, during such service, shall be proved by duly authenticated copies of the records of the executive departments having custody of the records of such service, and such authenticated copies of records shall be accepted in lieu of compliance with the provisions of .

section 1451 of this titlesection 1451 of this titleCitizenship granted pursuant to this section may be revoked in accordance with if the person is separated from the Armed Forces under other than honorable conditions before the person has served honorably for a period or periods aggregating five years. Such ground for revocation shall be in addition to any other provided by law, including the grounds described in . The fact that the naturalized person was separated from the service under other than honorable conditions shall be proved by a duly authenticated certification from the executive department under which the person was serving at the time of separation. Any period or periods of service shall be proved by duly authenticated copies of the records of the executive departments having custody of the records of such service.