2nd / 10th Field Regiment , Royal Australian Artillery The 2nd / 10th Light Battery , Royal Australian Artillery is an Australian Army sub - unit primarily composed of reservists . It forms part of the 5th / 6th Battalion , Royal Victoria Regiment , and provides trained artillery observers and organic fire support to the battalion . It is currently equipped with the L16 81mm Mortar as the primary armament , while M2A2 Howitzer field guns are currently being retained for ceremonial purposes . History . 2nd Field Regiment – can be traced back to 1859 where it was a coastal Artillery Detachment based at Warrnambool . In 1948 the Regiment was raised again as part of the CMF in the 3rd Division in Victoria . In 1952 the Regiment was at full strength and located at Batman Avenue and Warragul . The Regiment remained until 1975 when it was amalgamated with 15th Field Regiment to become 2nd / 15th Field Regiment at Batman Avenue . 4th Medium Regiment – 4th Medium Regiment was raised at Chapel Street East St Kilda in 1947 . By 1955 the Regiment had Battery locations at Brighton , Frankston and Ripponlea . In 1957 the Regiment disbanded and the elements of the Regiment were absorbed into 10th Medium Regiment . 8th Medium Regiment – 8th Medium Regiment was numbered as 8th Heavy Anti - Aircraft Regiment in 1955 and was located at Geelong . In 1957 the Regiment absorbed elements of 38th Light Anti Aircraft Regiment and was designated 8th Medium Regiment with Batteries located at Geelong , Colac and Warrnambool . In 1960 the Regiment was absorbed into 10th Medium Regiment . 15th Field Regiment – can be traced back to 15th Artillery Brigade who served on the Western Front during World War 1 . The Regiment was in Singapore from 1941 until 1943 as 2nd / 15th Field Regiment ( 2nd AIF ) . In 1957 the Regiment was re - raised as 15th Field Regiment until 1975 when it amalgamated with 2nd Field Regiment at Batman Avenue . 10th Medium Regiment – 10th Medium Regiment descends from the oldest Victorian Militia unit , first raised in 1854 in Geelong as a Volunteer Rifle Corps . The Regiment ’ s role changed frequently from Mounted Rifle to Light Horse to Field Artillery to Light and Heavy Anti - Aircraft and finally to Medium Artillery . In 1957 10th Medium Regiment re - formed in Frankston and Brighton . In 1960 the Regiment absorbed 8th Medium Regiment with Batteries at Frankston , Warrnambool , Geelong and Colac . In 1991 the Regiment amalgamated with 2nd / 15th Field Regiment with 37th and 39th Medium Battery ’ s amalgamating to form 38th Medium Battery . The Regiment became 2nd / 10th Medium Regiment with 22nd Field Battery in Dandenong and 38th Medium Battery at Geelong . 2nd / 10th Medium Regiment – In 1990 the 3rd Division disbanded . 2nd Division inherited the amalgamated 2nd / 15th Field Regiment and 10th Medium Regiment to form 2nd / 10th Medium Regiment in 1991 . 2nd / 10th Field Regiment – In 2002 the Regiment was renamed as 2nd / 10th Field Regiment . Equipped with M2A2s , the Regiment consisted of 22nd Field Battery located at Doveton and 38th Field Battery located at Geelong and Colac . Regimental Headquarters , Headquarters Battery and the Regiment ’ s Band were located at Chapel Street , St Kilda . 2nd / 10th Light Battery , 5th / 6th Battalion , Royal Victoria Regiment - On 1 January 2013 , the Regiment was absorbed by the 5th / 6th Battalion , Royal Victoria Regiment as the 2nd / 10th Light Battery . 38th Field Battery became 38 Troop at Chapel Street , which trains the battalion ' s artillery observers , while 22nd Field Battery became 22 Troop in Doveton , which trains mortar crews and command post operators . Commanding Officer , 5 / 6 RVR – LTCOL Burr