NATO Communications and Information Systems Services Agency and mandate to signals companies (including 1st NATO Signals Battalion at Maastricht, Netherlands); ten Sectors that supported the 10 major headquarters in NATO; and the NATO Communication and Information Systems (CIS) School in Latina, Italy. It appeared in 2011 there was a 3rd NATO Signal Battalion (3NSB), located in Bydgoszcz, Poland, as well as a NATO Signal Regiment. In 2011, NCSA comprised a central headquarters staff co-located with Allied Command Operations at the Supreme Headquarters Allied Powers Europe (SHAPE) in Mons, Belgium; the NATO Signal Regiment in Brunssum, Netherlands, as well as three deployable NATO Signal Battalions; five Sectors and
Supreme Headquarters Allied Powers Europe was shunted aside in favor of Air Force general Joseph Ralston. Although the move was publicly characterized as a purely administrative move necessitated by Clark's approaching retirement and the lack of an open four-star slot for the highly respected Ralston [a reality which would have compelled him to either accept a temporary demotion to two-star rank or retire from the service], Clark's relief has been often seen as a slap at the general on the part of a Pentagon leadership that had been very much at odds with him during the Kosovo war the previous spring. From the early 2000s