During the Second World War, the RAA raised in excess of 70 regiments of field, medium, anti-tank, anti-aircraft and survey artillery, and in excess of 200 anti-aircraft and coast artillery batteries with their attendant anti-aircraft group or fire command headquarters in the fixed defences. Many saw action in the Middle East, Malaya and Southwest Pacific theatres, with two field regiments, one anti-tank regiment, one independent anti-tank battery, an anti-aircraft battery and two coast batteries being captured by the Japanese in Singapore, Ambon, Timor and New Britain while serving as part of the 8th Division. The present School of Artillery (completed in 1998) is located in Puckapunyal in central Victoria and maintains modern training facilities. The School of Artillery is co-located with the Australian Army's Headquarters Combined Arms Training Centre. 53rd Battery, Royal Australian Artillery supports courses run by the School of Artillery. In January 2011, the field regiments and medium regiment were reorganised, with the regiments and batteries renamed with the word "field" and "medium" no longer appearing in their titles. Structure Regular Army Major units of the Royal Australian Artillery include: 1st Regiment, Royal Australian Artillery – attached to the 7th Brigade at Enoggera Barracks in Queensland. 104th Battery 105th Battery A Battery Operations Support Battery Combat Service Support Battery 4th Regiment, Royal Australian Artillery – attached to the 3rd Brigade at Townsville in Queensland. 106th Battery 107th Battery 108th (Observation Post) Battery – attached to 2nd Battalion, Royal Australian Regiment 109th Battery Operations Support Battery Combat Service Support Battery 8th/12th Regiment, Royal Australian Artillery – attached to the 1st Brigade at Palmerston in the Northern Territory. 101st Battery 102nd (Coral) Battery 103rd Battery 115th Operations Support Battery Combat Service Support Battery 16th Regiment, Royal Australian Artillery – attached to the 6th Brigade (Australia) - is the Australian Army's sole air defence regiment, and is based at Woodside, South Australia. Its batteries are equipped with the RBS-70 Surface to Air missile, the Giraffe Agile Multi Beam radar and the AN/TPQ-48 Lightweight Counter Mortar Radar. It is attached to the 6th Brigade. 110th Air Land Battery 111th Air Land Battery 1st AGO Battery Combat Service Support Battery 20th Regiment, Royal Australian Artillery – attached to the 6th Brigade (Australia) - is the Australian Army's sole Surveillance and Target Acquisition regiment, and is equipped with Tactical and Small Unmanned Aerial Vehicles. It is located at Enoggera Barracks in Brisbane Queensland. It