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 Allied Commander in July 1945 shortly after the End of World War II in Europe. In 1951, Eisenhower would again be a Supreme Allied Commander, the first to hold the post for NATO (see next section). Field Marshal Henry Maitland Wilson succeeded Eisenhower in the Mediterranean theatre, given the title Supreme Allied Commander Mediterranean. Wilson was succeeded by Field Marshal Harold Alexander, who continued in charge of those Allied forces until the end of the war. Admiral of the Fleet Lord Louis Mountbatten was Supreme Allied Commander South East Asia (SACSEA) throughout most of its existence. He replaced General Archibald Wavell. General