No.2 Commando was first formed on the 22nd June 1940 for a parachuting role at Cambrai Barracks, Perham Down, near Tidworth, Hants. The Unit at the time consisted of four troops - 'A', 'B', 'C' and 'D'. Eventually 11 troops were raised. A nominal roll of 'C' and 'D' troops can be found in this document.
21.11.1940 - No.2 (Parachute) Commando redesignated 11 Special Air Service Battalion. They were the airborne part of the Commando "Special Service" units, and had no connection to the SAS later raised by Bill Stirling and his brother David.
15.09.1941 - 11 Special Air Service Battalion redesignated 1st Parachute Battalion.

Compiled by Cpl. E.R. Chinnery 'C' troop No.2 Cdo (11 SAS Bn). Courtesy of John Mewett.