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
Gustave Fourreau - Major) on July 1, 1959. He was assigned to the 13th Demi-Brigade of the Foreign Legion 13 DBLE on four different occasional tours. The first assignment was at Bougie on July 22, 1960, on August 10, 1960, on November 3, 1960, then on November 17, 1961. He was then nominated to the 1st Mounted Chasseur Groupment () at Reims. He was promoted to the rank of Lieutenant-colonel, on October 1, 1964. In October, he was nominated to the Command of the general staff headquarters of Supreme Allied Armed Forces () in Europe, the Supreme Headquarters Allied Powers Europe SHAPE.