page_title: 155 mm gun M1
section_title: Service
hierarchical_section_title: 155 mm gun M1 / Service
caption_attribution_description: Description: 155mm Long Tom artillery units train in England during WW II. Unless otherwise noted, these photos and posters are drawn from the immense collections of the U.S. Government in the National Archives, the archives of the military services, and compilations of these photos maintained by universities, libraries and foundations. Such photos and posters are in the public domain and may be used for any lawful purpose. Please credit Olive-Drab.com (or www.olive-drab.com) as your helpful source if you make use of them. http://www.olive-drab.com/od_photo_credits.php .
context_page_description: The 155 mm gun M1 was a 155 millimeter caliber field gun developed and used by the United States military. Nicknamed "Long Tom", it was produced in M1 and M2 variants, later known as the M59. Developed to replace the Canon de 155mm GPF, the gun was deployed as a heavy field weapon during World War II and the Korean War, and also classed as secondary armament for seacoast defense. The gun could fire a 100 lb shell to a maximum range of 14 mi, with an estimated accuracy life of 1,500 rounds.
  The Long Tom was also adopted by a number of other nations, including the United Kingdom, Austria, Israel, and the Netherlands.
context_section_description: The Long Tom saw combat for the first time in the North African Campaign on December 24, 1942, with "A" Battery of the 36th Field Artillery Battalion. Eventually it equipped about 49 battalions, including 40 in the European Theater and 7 in the Pacific. It was used by several Marine defense battalions, notably during Operation Cartwheel in 1943. 
  The preferable prime mover was initially the Mack NO 6×6 7½ ton truck; from 1943 on it was supplemented by the tracked M4 High Speed Tractor.
  A small number of Long Tom guns were authorised for supply via lend lease channels, to the United Kingdom (184) and France (25). The authorised establishment of British batteries (excluding training units), including four batteries from the Dominion of Newfoundland, totalled 88 guns.
caption: Long Tom at crew training in England
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