The 104 Battery name was revived in September 1965 as a medium battery equipped with BL 5.5-inch medium guns, but in 1967, these were replaced by M2A2 howitzers, changing its designation to a field battery. The unit served two tours of South Vietnam; the first was from May 1968 to May 1969 as part of 12 Field Regiment, supporting 4 RAR.
The 104 Battery was re-designated in September 1965 as a medium battery with BL 5.5-inch medium guns, but in 1967, these were replaced by M2A2 howitzers, changing its designation to a field battery. The unit served two tours of South Vietnam, from May 1968 to May 1969 as part of 12 Field Regiment, supporting 4 RAR.