Even with Windows 7 headed fast for the market, the North Atlantic Treaty Organization is not waiting for the next iteration of the Windows client, and has armed itself with Windows Vista. According to Microsoft, parts of the NATO Unclassified Network are now accounting for Vista as one of the items in their arsenal, as a direct result of the collaboration between the NATO Communication Information Systems Services Agency and the software giant.
NATO is in the vanguard of military organizations rolling out Windows Vista. The Redmond giant revealed that among its top ten customers, the US Army occupied the first position, with US Air Force at number three.