Great Britain (Volunteers)

London Electrical Engineers

	London Electrical Engineers, Royal Engineers (TA)
	│
1922:	10th Anti-Aircraft Battalion, Royal Engineers (TA) │	11th Anti-Aircraft Battalion, Royal Engineers (TA) │
1923:	26th (London Electrical Engineers) Anti-Aircraft Battalion, Royal Engineers (TA) │	27th (London Electrical Engineers) Anti-Aircraft Battalion, Royal Engineers (TA) │
1940:	26th Searchlight Regiment, Royal Artillery (London Electrical Engineers)	27th Searchlight Regiment, Royal Artillery
	│	│
1942:	26th (Mixed) Searchlight Regiment, Royal Artillery (London Electrical Engineers) │	27th Searchlight Regiment, Royal Artillery (London Electrical Engineers) │
1945:	│ │	suspended animation │
1947:	suspended animation │	│ │
	Resurrection of the Territorial Army
	│	│
1947:	disbanded	562th Searchlight Regiment, Royal Artillery (27th London Electrical Engineers) (TA) │
1949:		562th (Mixed) Light Anti-Aircraft/ Searchlight Regiment, Royal Artillery (27th London Electrical Engineers) (TA) │
		│
1955:		R Battery (London Electrical Engineers), 624th Light Anti-Aircraft Regiment, Royal Artillery (Royal Fusiliers) (TA)