Parade on 9 August 2005 celebrated 40 years of independence with an elaborate flypast including two Chinook helicopters flying the national flag past the Esplanade Theatre in Padang. In Finland, during Independence Day parade on 6 December the Finnish Air Force has traditionally performed a flyover of four fighters at the moment when the honour company of the Air force passes the podium where a representative of the war veterans, a representative of the city and the commander of the military province in question receive the parade troops marching past, the Helicopter battalion of Utti Jaeger Regiment has also performed flyovers timed to happen at the same time when the honour company of the Finnish Army provided by the Utti Jaeger Regiment passes the podium. In India, Republic Day celebrations on 26 January includes a flypast in Delhi. In the Philippines, flypasts (also called flybys) by Philippine Air Force are held to celebrate Independence Day on 12 June and Rizal Day on 30 December. Air Force anniversaries During October 2006, the Indian Air Force celebrated its Platinum Jubilee with a flypast of around 78 aircraft, including the Sukhoi 30 MKI, the Mirage 2000, and MiG-25 attack aircraft. On 1 April 2008, a flypast by the Red Arrows over Central London marked the 90th Anniversary of the founding of the Royal Air Force. The milestone was also celebrated that June following Trooping the Colour 2008 with a flypast of 55 aircraft, and in July with a Royal Review and flypast of 90 aircraft at the Royal International Air Tattoo. Ten years later, the RAF's centenary was celebrated over The Mall, London and Buckingham Palace on 10 July 2018 with a large-scale flypast featuring the Red Arrows, the Battle of Britain Memorial Flight, and aircraft from several RAF squadrons. This flypast featured 103 aircraft of 24 different types, spread out over twenty different formations. The entire flypast took nine minutes to pass over London, and featured aircraft based from 17 different airfields all over the United Kingdom. World War II Achievements in World War II were celebrated at the time and continue to be commemorated in flypasts. The Royal Air Force used the upper dams of Ladybower Reservoir to practise for the Dambusters raids and this is occasionally commemorated in flypasts by the Battle of Britain Memorial Flight. The largest flypast in history occurred on the signing of the Japanese Instrument of