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 Brunssum, The Netherlands, and AFSOUTH in Naples. After much discussion within the Alliance, ACE's three-command system was reduced to two commands covering the same area after 1996, one for north of the Alps and one for south of the Alps. The United States had wished to retain three commands, arguing that 'the span of control might be excessive.' It was feared by Pentagon officials at the time that if the two-command structure was adopted, some functions at the MSC level would have had to be moved 'downward' in the new structure. But while the United States eventually had to give