MCO 5802.2B governs procedures for alien naturalization, military certification of dependents, and discharge or release policy.
View MCO 5802.2B on armypubs.army.mil
The publication addresses naturalization for aliens who served honorably, certification of alien dependents, and active duty separation of permanent-residence aliens seeking citizenship. It directs orientation programs, widest dissemination, and application for DD Form 1278 as required.
Applies to: This Order is applicable to the Marine Corps Reserve.
The prescribed three-year period may be satisfied by a combination of active duty and inactive duty in a reserve status. (paragraph 4)
Commanders are directed to ensure widest dissemination of this Order. (paragraph 3)
DD Form 1278 will be obtained by application to the Commandant of the Marine Corps (ARAH) as required. (paragraph 3)