The Imperial War Museum is a British national museum organisation with branches at five locations in England.
The Tokyo National Museum (東京国立博物館 , Tōkyō Kokuritsu Hakubutsukan ) , or TNM, established in 1872, is the oldest Japanese national museum, the largest art museum in Japan and one of the largest art museums in the world.
 The museum collects, houses, and preserves a comprehensive collection of art works and archaeological objects of Asia, focusing on Japan.
 The museum holds over 110,000 objects, which includes 87 Japanese National Treasure holdings and 610 Important Cultural Property holdings (as of July 2005).
 The museum also conducts research and organizes educational events related to its collection.
Royal Albert Memorial Museum & Art Gallery (RAMM) is a museum and art gallery in Exeter, Devon, the largest in the city.
 It holds significant and diverse collections in areas such as zoology, anthropology, fine art, local and overseas archaeology, and geology.
 Altogether the museum holds over one million objects, of which a small percentage is on permanent public display.
 It is a 'Major Partner Museum' (MPM) under the Arts Council England administered programme of strategic investment, which means RAMM receives funding (2012–15) to develop its services.
 RAMM receives this funding in partnership with Plymouth City Museum & Art Gallery.
 Previously they were described as 'hub museums' under the 'Renaissance' Programme for regional museums which operated between 2002–11 and funded by the now defunct Museums Libraries & Archives Council (MLA).
National Museum of Colombo, also known as the Sri Lanka National Museum is one of two museums in Colombo.
 It is the largest museum in Sri Lanka.
 It is maintained by the Department of National Museum of the central government.
 The museum holds contains a collections of much importance to Sri Lanka such as the regalia of the country, including the throne and crown of the Kandyan monarchs as well as many other exhibits telling the story of ancient Sri Lanka.
The Ethnological Museum of Berlin (German: " Ethnologisches Museum Berlin" ) is one of the Berlin State Museums (German: " Staatliche Museen zu Berlin" ), the de facto national collection of the Federal Republic of Germany.
 It is presently located in the museum complex in Dahlem, along with the Museum of Asian Art (German: " Museum für Asiatische Kunst" ) and the Museum of European Cultures (German: " Museum Europäischer Kulturen" ).
 The museum holds more than 500,000 objects and is one of the largest and most important collections of works of art and culture from outside Europe in the world.
 Its highlights include important objects from the Sepik River, Hawaii, the Kingdom of Benin, Cameroon, Congo, Tanzania, China, the Pacific Coast of North America, Mesoamerica, the Andes, as well as one of the first ethnomusicology collections of sound recordings (the Berliner Phonogramm-Archiv)
The Museum of Army Chaplaincy is a museum at Amport House, Hampshire, England, which tells the story of British Army Chaplaincy from earliest times to the present day with the help of archive material and historical relics from several centuries.
 The museum was originally housed in Bagshot Park, but in 2001 was rehoused at Amport House (the current home of the Royal Army Chaplains' Department within the Tri-Service Armed Forces Chaplaincy Centre).
 Housed in a converted stable block, the museum holds a unique collection dedicated to the work of Army Chaplains throughout history in peacetime, under fire, and in captivity.
 The museum archives also hold material relating to the department and its history, including information about the four chaplains who have been awarded the Victoria Cross.
Imperial War Museums (IWM) is a British national museum organisation with branches at five locations in England, three of which are in London.
 Founded as the Imperial War Museum in 1917, the museum was intended to record the civil and military war effort and sacrifice of Britain and its Empire during the First World War.
 The museum's remit has since expanded to include all conflicts in which British or Commonwealth forces have been involved since 1914.
 As of 2012, the museum aims "to provide for, and to encourage, the study and understanding of the history of modern war and 'wartime experience'".
Over The Top is a 1918 oil-on-canvas painting by John Nash.
 It depicts a counter-attack on Welsh Ridge in northern France on 30 December 1917, during the First World War.
 It is held by Imperial War Museum, London.
Gongju National Museum is a national museum in Gongju, South Korea.
 The Gongju National Museum holds 10,000 artifacts including 19 national treasures and 3 treasures excavated in Daejeon and Chungcheongnam-do areas, especially artifacts from Tomb of King Muryeong.
The National Science and Ecclesiology Museum at Maynooth is a science museum located on the south campus of Maynooth University, Ireland.
 It is a branch of the National Museum of Ireland.
 The museum holds various artefacts from the history of science in Ireland (the largest such collection open to the public in Ireland), a large collection of scientific equipment used by Nicholas Callan and one of two death masks of Irish political leader Daniel O'Connell.
 The museum was founded in 1934 as the Museum of Ecclesiology but has become more focused on science, partially due to Maynooth's association with Callan.

Question: Which British national museum holds Over The Top and banches at five locations in England?
Answer: Imperial War Museum