; (B) to ensure family unity; (C) based on exceptional service in the Armed Forces; or (D) if a waiver otherwise is in the public interest. 4. Protecting veterans and service members from removal Notwithstanding section 237 of the Immigration and Nationality Act ( 8 U.S.C. 1227 ) or any other provision of law, a noncitizen who is a veteran or service member may not be removed from the United States unless the noncitizen has been convicted for a crime of violence. 5. Naturalization through service in the Armed Forces (a) In general Subject to subsection (b), a noncitizen who has obtained the status of a noncitizen lawfully admitted for permanent residence pursuant to section 3 shall be eligible for naturalization through service in the Armed Forces under sections 328 and 329 of the Immigration and Nationality Act (8 U.S.C. 1439 and 1440). (b) Special rules (1) Good moral character In determining whether a noncitizen described in subsection (a) is a person of good moral character, the Secretary shall disregard the one or more grounds on which the noncitizen was— (A) removed or ordered removed from the United States