Machine gun

 

• Machine gun

  

  trench warfarePrints and Photographs Division/Library of Congress, Washington, D.C. (digital file no. LC-USZ62-136100)

  Machine guns were an exceptionally lethal addition to the battlefield in World War I. Heavy guns, such as the Maxim and Hotchkiss, made “no man's land” a killing zone, and Isaac Newton Lewis's light machine gun saw widespread use at the squad level and as an aircraft armament.

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Tank

Cambrai, Battle of; tankRobert Hunt Library/Mary Evans Picture Library/age fotostock

Tanks were used primarily in a supporting role. The armoured vehicle would not truly come into its own until the doctrines of J.F.C. Fuller and Basil Liddell Hart were more widely adopted in World War II.