The 5.5 inch field gun was a Britishartillery gun introduced during the middle of the Second World War The word caliber (American English) or calibre (British English) comes from the Italian calibro, itself from the Arabic quâlib, meaning mould. ... Historically, artillery refers to any engine used for the discharge of projectiles during war. ... Mushroom cloud from the nuclear explosion over Nagasaki rising 18 km into the air. ...
In January 1939 a specification was issued for a gun to replace the 6 inch guns and howitzers in use. The first units were equipped with the new gun in May 1942, and the first actions were in the Western Desert. Initially the range was disappointing, but a new shell 20 pounds (9 kg) lighter solved the problem.
The 5.5 survived after the war until replaced by the FH-70 towed howitzer in service as L121. FH 70 Type Long range gun Nationality UK, Germany, Italy Era Modern Target general, History Date of design Production period Number built Service duration 1978 Operators see text War service Specifications Carriage Split trail, auxiliary engine Calibre 155 mm Barrel length 39 calibres Carriage Split trail, auxiliary engine Weight 7...