A variant style of campaign for Top Secret/S.I. that places players in the role of special forces operatives. The rulebook warns that this "is the roleplaying equiavelent of a bottle of nitroglycerin."

Includes new acharacter creation rules, new game mechanics for operatives, lots of new equipment, and an extensive section on "The World of Commando".

There's a page on talking tough too. You apparently sound tough if you obscure your speech with military lingo and lots of acronyms.