20th Independent Field Battery, RCA

Notes:

The 18th Air Defence Regiment's date of origin is not traced to the formation date of the '25th Battery, CFA' of 1908 (see below) as lineage is traced from the formation of unit, not sub-unit, sized organizations, ie. regiments and battalions.

No lineal connection with the '18th Field Artillery Regiment, RCA formed on 2 February 1920 and placed on the Supplementary Order of Battle on 1 April 1970.

The 20th Independent Field Battery, RCA originated in Lethbridge, Alberta on 1 February 1908 when the '25th Battery, CFA' was authorized to be formed.^{Footnote 3} It was redesignated: '20th Battery, CFA' on 2 February 1920;^{Footnote 4} '20th Field Battery, CA' on 1 July 1925;^{Footnote 5} '20th Field Battery, RCA' on 3 June 1935;^{Footnote 6} '20th (Reserve) Field Battery, RCA' on 7 November 1940;^{Footnote 7} '20th Field Battery, RCA' on 1 April 1946;^{Footnote 8} '20th Field Battery (Self propelled), RCA' on 19 June 1947;^{Footnote 9} '20th Field Battery, RCA' on 4 December 1964;^{Footnote 10} and '20th Independent Field Battery, RCA' on 1 April 1970.^{Footnote 11} The battery was reorganized as a regiment and designated '18th Air Defence Regiment, RCA' on 10 November 1992, as above. The regiment was reorganized as a battery and designated ‘20th Independent Field Battery, RCA’ on 24 June 2011.^{Footnote 12}

Note:

The 20th Battery, CFA was disbanded for the purpose of reorganization on 15 September 1920 and reorganized the same day (GO 252/20). This change was administrative and did not affect the lineage of the battery.

Perpetuation

'20th Battery, CFA, CEF'

Headquarters Location

Lethbridge, Alberta

Allocated Batteries

• 20th Air Defence Battery, RCA
• 16th Field Battery, RCA
• 39th Air Defence Artillery Battery, RCA

Operational History

The First World War

The 25th Battery, which was authorized on 7 November 1914 as the '20th Field Battery, CFA, CEF',^{Footnote 12} embarked for Britain on 29 June 1915.^{Footnote 13} It disembarked in France on 18 January 1916,^{Footnote 14} where it provided field artillery support as part of the 5th Brigade, CFA, CEF in France and Flanders until the end of the war.^{Footnote 15} The battery was disbanded on 23 October 1920.^{Footnote 16}

The Second World War

The 20th Field Battery mobilized the '20th Field Battery, RCA, CASF' on 1 September 1939.^{Footnote 17} It was redesignated '20th Anti-Tank Battery, RCA, CASF' on 1 December 1939.^{Footnote 18} It provided anti- tank support as part of the '2nd Anti-Tank Regiment, RCA, CASF', 2nd Canadian Infantry Division in North-West Europe until the end of the war.^{Footnote 19} The overseas battery was disbanded on 22 September 1945.^{Footnote 20}

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