13th Field Battery , Royal Australian Artillery 13 Field Battery , Royal Australian Artillery was formed in New South Wales during September 1915 as the 13th Field Artillery Battery , part of 5th Field Artillery Brigade . Today 13 Field Battery is one of 4 batteries that make up the 1st Field Regiment , part of 7 Brigade . History . The entire 5th Field Brigade Australian Field Artillery was formed as part of 2nd Division Artillery at Fleurbiax , France ( near Armentieres ) during World War I as the requirement for artillery increased on the Western Front battlefields . The Regiment was composed of 13th , 14th , 15th and 105th Batteries . The battery saw action in Egypt , Sinai and on the Western Front , the battery was disbanded at the end of the war . In 1921 the Citizen ' s Army was reconstructed based on the 1st AIF framework . As part of this , 5th Field Regiment was re - raised at Kelvin Grove , Brisbane and consisted of 13th , 14th , 105th Field Batteries . In 1938 , 15th Field Battery was raised , making the Regiment the same composition as in World War I . During the Second World War , 5th Field Regiment amalgamated to form the newly raised 2nd / 5th Field Regiment . This unit was later redesignated 2nd / 1st Anti Tank Regiment . At the end of World War II this unit was disbanded . In 1955 , 5th Field Regiment was reformed and was equipped with 25 Pounder Guns . In 1960 , 5th Field Regiment was re - organised as part of 1st Division . 13th Field Battery and Headquarter Battery were based at Kelvin Grove . In 1964 the battery changed to 105 mm L5 Pack Howitzers and later to the 105 mm M2A2 . On the 1st July 1975 , 5th Field Regiment amalgamated with 11th Field Regiment to form 5th / 11th Field Regiment and as a consequence of the amalgamation 13th Field Battery was taken off the Army order of battle . In 1981 , 13th Field Battery was re - raised at Kallangur as part of 5th / 11th Field Regiment and was equipped with 105 mm L5 Pack Howitzers . The battery has close affiliation with the Pine Rivers Shire and Local citizens and was granted the Freedom of the Shire of Pine Rivers on the 22 April 1989 . In 1991 , as part of 5th / 11th Field Regiment 13th Field Battery was equipped with the 105 mm L119 Howitzer which is currently in service . On 23 April 1993 upon the separation of 5th / 11th Field Regiment , 13th Field Battery , the only Battery of 5th Field Regiment became an independent Battery . On 1 May 1997 , as result of the restructuring of the Army , 13th Field Battery came under command of 1st Field Regiment . On 4 March 2001 13th Field Battery was re - located to Caboolture . Due to the operational requirements of 1st Field Regiment , 13th Field Battery was re - equipped with 155mm M198 Howitzers in January 2008 . Having served with the M198 Howitzers for two years , 13 Field Battery was once again equipped with the L119 Hamel and oversaw the Army ' s retirement of the L119 . In October 2011 , it was decided that 13 Battery would transfer to 9RQR and provide indirect fire support as 13 Mortar Battery , to the 9th Battalion . In 2013 the battery , after being re - equipped with 81mm mortars , amalgamated with 41 Battery and was renamed the 5 / 11th Light Battery . The amalgamated battery now comes under the command of 25 / 49 Battalion Royal Queensland Regiment and 13 Battery and 41 batteries have now been removed from the order of battle . References . 13 Battery ' s Website