The International Institute for Strategic Studies (IISS) is a British research institute (or think tank) in the area of international affairs. It describes itself as "the world’s leading authority on political-military conflict". Since 1997 its headquarters have been Arundel House, in London. Founded in 1958, with its original focus nuclear deterrence and arms control, the IISS has strong establishment links with former US and British government officials among its members. More information on the Wikipedia page [1]. The website is [2]