The battery served during the Indonesia–Malaysia confrontation between May and August 1965 and while in Malaysia the battery provided fire support during the Kesang River incursion by Indonesian forces. While serving in North Borneo, equipped with L5 Pack Howitzer, the battery provided defensive support to the 3rd Battalion, Royal Australian Regiment, Ghurkha, and British Regiments undertaking operations and also fire support for secret Claret operations in Indonesian territory.[2]
On 18 April 1966, the battery was transferred to the 12th Field Regiment with the 104th Field Battery. Arriving in Vietnam as part of Australia's commitment to the Vietnam War in March 1968, replacing the 106th Field Battery and was equipped with the 105mm M2A2 Howitzer.[1] On the night of 12 May 1968, while at Fire Support Base Coral, a M2A2 howitzer was captured by North Vietnamese troops who temporarily overran part of the base, however the gun was recaptured shortly afterwards.[nb 1] The 102nd Field Battery was replaced in February 1969, and returned to Australia. During its tour of duty the battery had been positioned at 30 different Fire Support Bases, fired 60,000 rounds and received the following decorations: 1 MM, 2 MID, 1 MBE and 1 BEM.[1]
The battery became part of the 8th/12th Medium Regiment in November 1973 and in 1983 after being re-equipped with the M198 155mm howitzer was redesignated 102nd Medium Battery before being disbanded in 1987.[3]
