Warning: You are not logged in. Your IP address will be publicly visible if you make any edits. If you log in or create an account, your edits will be attributed to your username, along with other benefits. Anti-spam check. Do not fill this in!==Structure== SAS has a regular regiment, the 22nd Regiment, and the Regiments 21 and 23 of the territorial reserve force. The reserve regiments not only receive counter-terrorism training and more training is dragged. Generally act as "enemies" in training for conventional forces Summary: Please note that all contributions to the Military Wiki are considered to be released under the CC-BY-SA Cancel Editing help (opens in new window) Retrieved from "https://military.wikia.org/wiki/Special_Air_Service"