8 U.S.C. § 1443a

Notwithstanding any other provision of law, the Secretary of Homeland Security, the Secretary of State, and the Secretary of Defense shall ensure that any applications, interviews, filings, oaths, ceremonies, or other proceedings under title III of the Immigration and Nationality Act (8 U.S.C. 1401 et seq.) relating to naturalization of members of the Armed Forces, and persons made eligible for naturalization by section 319(e) or 322(d) of such Act [8 U.S.C. 1430(e), 1433(d)], are available through United States embassies, consulates, and as practicable, United States military installations overseas.