AircraftHalifax B Mk IIHalifax B Mk IIHalifax B Mk IIFamilyHandley Page HalifaxClassHeavy bomberProduced1,970ChangesMerlin XX or Merlin 22 engines.Engines4Service193119321933193419351936193719381939194019411942194319441945United Kingdom · Western Europe≈ Mar 1942 – Nov 1943United Kingdom · North Africa≈ 8 Sep 1942 – May 1943