By November 1940 , more than 2,000 men had volunteered .
By November 1940 , more than 2,000 men were organised into four battalions in a Special Service Brigade , under the command of Brigadier J.C. Haydon .
By November 1940 , more than 2,000 men had volunteered and were organised into four battalions in a Special Service Brigade , under the command of Brigadier J.C. Haydon .