A gate guardian or gate guard is a withdrawn piece of equipment, often an aircraft, armoured vehicle, artillery piece, or locomotive, mounted on a plinth and used as a static display near to and forming a symbolic display of "guarding" the main entrance to a site, especially a military base. Commonly, gate guardians outside airbases are decommissioned examples of aircraft that were once based there, or still are. Examples Examples of gate guardians include the following: Australia In Australia, gate guards are also often found outside Returned and Services League of Australia (RSL) clubs. Finland A MiG-21 formerly of the Finnish Air Force is on display at the entrance of Kuopio Airport. Two T-34s at the Armoured Brigade. Saudi Arabia Lockheed L-1011 TriStar which operated under Saudia in the 1970s is placed on a tarmac next to the gate at Royal Saudi Air Force Museum in Riyadh. South Africa Atlas Impala at Air Force Base Ysterplaat. Twin Eland Mk7 Armoured Cars at the SANDF Legal Satellite Office, Air Force Base Swartkop. Rooikat and M3 Stuart at 1 Special Service Battalion, Tempe Base. Eland Mk7 at School of Armour, Tempe Base. Switzerland Lockheed F-104 Starfighter at Grenchen Airport in Grenchen Switzerland. United Kingdom 25 Pounder howitzers at 48 Regiment Royal Artillery, Thorney Island and two on loan from the Honourable Artillery Company outside Admiralty House (the official residence of the Commander Joint Forces Command) at Northwood Headquarters. Avro Shackleton at RAF St Mawgan. BAC Jet Provost at RAF Linton-on-Ouse. Bristol Bloodhound surface-to-air guided missile at Hudson House Territorial Army Centre, Catford (Home of 221 (EOD) (V) Field Squadron, 101 (City of London) Engineer Regiment, Royal Engineers). C-47 Dakota at Headquarters 16 Air Assault Brigade, Merville Barracks. De Havilland Comet at RAF Lyneham. FV434 Combat Recovery and Repair Vehicle and Gazelle Helicopter at Welbeck Defence Sixth Form College. Gloster Javelin at Staverton Airport and XA634 RAF Leeming (purchased by Gloucestershire Jet Age Museum in January 2015.). Hawker Hunter at RAF Halton and WV396 at RAF Valley. Hawker Siddeley Harrier at RAF Stafford and RAF Wittering (visible from the northbound A1). Hurricane (replica) at the former RAF North Weald, with the markings of the No. 56 Squadron RAF, as flown by No. 249 Squadron RAF pilot Thomas 'Ginger' Neil during the Battle of Britain in September 1940. McDonnell Douglas Phantom at RAF Boulmer. Panavia Tornado at Leuchars Station BAE Nimrod at RAF Kinloss.