It was concurrently converted and redesignated as the 25th Replacement Company and activated in Osaka on 25 September 1949. The replacement company mission was to process incoming and outgoing divisional personnel. The 25th Replacement Company participated in all ten campaigns of the Korean War and was awarded a Meritorious Unit Commendation and two awards of the Republic of Korea Presidential Unit Citation. On 1 February 1957 the 25th Replacement Company was reorganized and redesignated as the 25th Administration Company. The company had a wide-range of the responsibility in support to division elements. These included personnel, finance, staff judge advocate, chaplain, information, postal and special services. The 25th Admin. arrived in Vietnam on 30 March 1966 and was based at Cu Chi. The Company participated in all twelve Vietnam campaigns receiving three awards of the Meritorious Unit Citation, two awards of the Republic of Vietnam Cross of Gallantry and the Civil Action Honor Medal. On 21 April 1972 the 25th Administration Company was redesignated and reorganized as the 25th Adjutant General Company.