RCA Units - World War Two

Anti-Aircraft Regiments

Unit

Date of Mobilization

Assignments/Employment

Final Disposition

Notes

1st Anti-Aircraft Regiment

1 Sep 39

Disbanded
11 Sep 40

Subunits did not disband until 1942

2nd Anti-Aircraft Regiment

1 Sep 39

21st Anti-Aircraft Regiment

1 Jun 42

Atlantic Command

Disbanded
31 Jul 45

22nd Anti-Aircraft Regiment

1 Jun 42

Saint John Defences (New Brunswick)

Disbanded
1 Sep 44

23rd Anti-Aircraft Regiment

1 Jun 42

Sydney-Canso Defences
later Defended Port of Sydney

Disbanded
31 Dec 44

24th Anti-Aircraft Regiment

1 Jun 42

Arvida, PQ Defences

Disbanded
15 Jan 45

25th Anti-Aircraft Regiment

1 Jun 42

Atlantic Command
St. John's-Torbay, Newfoundland Defences

Disbanded
31 Jul 45

26th Anti-Aircraft Regiment

1 Jun 42

"W" Force
Newfoundland

Converted to FS, late 43

27th Anti-Aircraft Regiment

1 Jun 42

Victoria-Esquimalt

Disbanded
31 Oct 45

28th Anti-Aircraft Regiment

1 Jun 42

Pacific Command
Vancouver Defences

Disbanded
31 Dec 45

29th Anti-Aircraft Regiment

29 Mar 43

Pacific Command
Prince Rupert Defences

Disbanded
31 Jul 45

30th Anti-Aircraft Regiment

29 Mar 43

Vancouver Island

Disbanded
31 Dec 43

Light Anti-Aircraft Regiments

Unit

Date of Mobilization

Assignments/Employment

Final Disposition

Notes

1st Light Anti-Aircraft Regiment

1 Feb 41

	1st Canadian Corps
	Redesignated "The Lanark and Renfrew Scottish" 13 Jul 44 Reverted to LAA designation in March 1945.

Disbanded
29 June 45

Served as infantry in 5th Armd Div Jul 44 - Mar 45.

2nd Light Anti-Aircraft Regiment

24 May 40

1st Canadian Infantry Division
Jun 43 - Med
Mar 45 - NWE

Disbanded
31 Aug 45

3rd Light Anti-Aircraft Regiment

28 Sep 40

2nd Canadian Infantry Division
early 41 - UK
Jul 44 - NWE

Disbanded
24 Sep 45

4th Light Anti-Aircraft Regiment

3rd Canadian Infantry Division
Jun 44 - NWE

Disbanded
13 Nov 45

2nd/4th Light Anti-Aircraft Regiment

1 Jun 45

CAOF

Disbanded
4 Apr 46

5th Light Anti-Aircraft Regiment

24 May 40

5th Canadian Armoured Division
Oct 43 - Med
Feb 45 - NWE

Disbanded
27 Nov 45

6th Light Anti-Aircraft Regiment

5 Sep 41

2nd Canadian Corps
Oct 42 - UK
Jul 44 - NWE

Disbanded
24 Jun 45

7th Light Anti-Aircraft Regiment

May 41

First Canadian Army
Nov 41 - UK

Disbanded
1 Mar 44

8th Light Anti-Aircraft Regiment

Aug 42

4th Canadian Armoured Division
Aug 42 - UK
Jul 44 - NWE

Disbanded
12 Dec 45

Created from 16th Field Regiment

9th Light Anti-Aircraft Regiment

18 Mar 42

6th Canadian Infantry Division
Aug 43 - Kiska

Disbanded
31 Mar 45

10th Light Anti-Aircraft Regiment

12 May 42

7th Canadian Infantry Division

Disbanded
15 Nov 43

11th Light Anti-Aircraft Regiment

6 Mar 43

First Canadian Army
Created from reorganized LAA batteries already in England

Disbanded
1 Mar 44

Anti-Tank Regiments

Unit

Date of Mobilization

Assignments/Employment

Final Disposition

Notes

1st Anti-Tank Regiment

1 Sep 39

1st Canadian Infantry Division
Dec 39 - UK
Jul 43 - Med
Mar 45 - NWE

Disbanded
28 Aug 45

2nd Anti-Tank Regiment

1 Sep 39

2nd Canadian Infantry Division
Sep 40 - UK
Jul 44 - NWE

Disbanded
23 Sep 45

3rd Anti-Tank Regiment

24 May 40

3rd Canadian Infantry Division
Oct 41 - UK
Jun 44 - NWE

Disbanded
14 Nov 45

2nd/3rd Anti-Tank Regiment

1 Jun 45

CAOF

Disbanded
14 May 46

4th Anti-Tank Regiment

24 May 40

5th Canadian Armoured Division
Oct 41 -UK
Nov 43 - Med
Feb 45 - NWE

Disbanded
28 Nov 45

5th Anti-Tank Regiment

5 Sep 41

4th Canadian Armoured Division
Jun 42 - UK
Jul 44 - NWE

Disbanded
10 Dec 45

6th Anti-Tank Regiment

18 Mar 42

2nd Canadian Corps
Jul 44 - NWE

Disbanded
23 Jun 45

7th Anti-Tank Regiment

1 Feb 41

1st Canadian Corps
Nov 43 - Med
Feb 45 - NWE

Disbanded
27 Jun 45

8th Anti-Tank Regiment

12 May 42

7th Canadian Infantry Division

Disbanded
15 May 43

Disbanded to form Field Regiment

Field Regiments

Unit

Date of Mobilization

Assignments/Employment

Final Disposition

Notes

1st Field Regiment RCHA

1 Sep 39

1st Canadian Infantry Division
Dec 39 - UK
Jun 43 - Med
Mar 45 - NWE

Disbanded
25 Aug 45

2nd Field Regiment

1 Sep 39

1st Canadian Infantry Division
Dec 39 - UK
Jun 43 - Med
Mar 45 - NWE

Disbanded
25 Aug 45

3rd Field Regiment

1 Sep 39

1st Canadian Infantry Division
Dec 39 - UK
Jun 43 - Med
Mar 45 - NWE

Disbanded
27 Aug 45

4th Field Regiment

1 Sep 39

2nd Canadian Infantry Division
Sep 40 - UK
Jul 44 - NWE

Disbanded
19 Sep 45

5th Field Regiment

1 Sep 39

2nd Canadian Infantry Division
Sep 40 - UK
Jul 44 - NWE

Disbanded
21 Sep 45

6th Field Regiment

1 Sep 39

2nd Canadian Infantry Division
Sep 40 - UK
Jul 44 - NWE

Disbanded
23 Sep 45

12th Field Regiment

24 May 40

3rd Canadian Infantry Division
Jul 41 - UK
Jun 44 - NWE

Disbanded
31 Oct 45

2nd/12th Field Regiment

1 Jun 45

CAOF

Disbanded
18 May 46

13th Field Regiment

24 May 40

3rd Canadian Infantry Division
Nov 41 - UK
Jun 44 - NWE

Disbanded
14 Nov 45

2nd/13th Field Regiment

1 Jun 45

CAOF

Disbanded
13 Apr 46

14th Field Regiment

24 May 40

3rd Canadian Infantry Division
Jul 41 - UK
Jun 44 - NWE

Disbanded
2 Nov 45

2nd/14th Field Regiment

1 Jun 45

CAOF

Disbanded
28 Mar 46

15th Field Regiment

24 May 40

4th Canadian Armoured Division
Aug 42 - UK
Jul 44 - NWE

Disbanded
12 Dec 45

16th Field Regiment

24 May 40

4th Canadian Armoured Division

Reorganized
26 Jan 42

Converted to 8th LAA Regt

17th Field Regiment

24 May 40

	4th Canadian Armoured Division
	5th Canadian Armoured Division Nov 41 -UK Nov 43 - Med Feb 45 - NWE

Disbanded
29 Nov 45

18th Field Regiment

10 May 41

4th Canadian Armoured Division

Reorganized
26 Jan 42

Redesignated 2nd Medium Regiment

19th Field Regiment

29 Jul 41

6th Canadian Infantry Division

Reorganized
14 May 43

Redesignated 19th SP Regiment

20th Field Regiment

29 Jul 41

	6th Canadian Infantry Division
	7th Canadian Infantry Division

Disbanded
31 Dec 44

21st Field Regiment

29 Jul 41

6th Canadian Infantry Division
Sep 43 - UK

Disbanded
11 Oct 43

22nd Field Regiment

18 Mar 42

	7th Canadian Infantry Division
	8th Canadian Infantry Division

Disbanded
15 Oct 43

23rd Field Regiment

18 Mar 42

	7th Canadian Infantry Division
	4th Canadian Armoured Division

Reorganized
15 May 43

Redesignated 23rd SP Regiment

24th Field Regiment

18 Mar 42

	7th Canadian Infantry Division Jul 42 - 6th Div
	6th Canadian Infantry Division Aug 43 - Aleutians

Disbanded
31 Mar 45

25th Field Regiment

12 May 42

6th Canadian Infantry Division

Disbanded
31 Mar 45

26th Field Regiment

12 May 42

7th Canadian Infantry Division

Disbanded
15 Nov 43

27th Field Regiment

12 May 42

8th Canadian Infantry Division

Disbanded
15 Oct 43

28th Field Regiment

15 May 43

7th Canadian Infantry Division

Disbanded
15 Oct 43

Medium Regiments

Unit

Date of Mobilization

Assignments/Employment

Final Disposition

Notes

1st Medium Regiment

1 Sep 39

1st Canadian Corps
Feb 40 - UK
Oct 43 - Med
Mar 45 - NWE

Disbanded
1 Sep 45

Mobilized as 1st Medium Brigade, renamed Regiment in Feb 1940

2nd Medium Regiment

Created from
18 Field Regiment
26 Jan 42

1st Canadian Corps
Mar 42 - UK
Oct 43 - Med
Mar 45 - NWE

Disbanded
1 Oct 45

3rd Medium Regiment

Mobilized
26 Jan 42

	1st Canadian Corps Jun 42 - UK 43 - to 2nd Corps
	2nd Canadian Corps Jul 44 - NWE

Disbanded
16 Nov 45

4th Medium Regiment

Mobilized
1 Mar 42

	1st Canadian Corps Aug 42 - UK
	2nd Canadian Corps Jul 44 - NWE

Disbanded
26 Sep 45

5th Medium Regiment

Authorized
1 Feb 41

1st Canadian Corps
Oct 43 - Med
Mar 45 - NWE

Disbanded
30 Jun 45

Reorganized from 1st Medium Regiment in UK Jan 41

7th Medium Regiment

Converted from 7th Army Field Regiment
21 Nov 43

2nd Canadian Corps
Jul 44 - NWE

Disbanded
25 Sep 45

Searchlight Regiments
Unit	Date of Mobilization	Assignments/Employment	Final Disposition	Notes
1st Searchlight Regiment	1 Sep 39		Disbanded 10 Sep 40
2nd Searchlight Regiment	1 Sep 39		Disbanded