NPC is the NATO Programming Centre. It is responsible for system support and maintenance of NATO's Air Command and Control Systems. Amongst these systems is also the NATO Air Command and Control System ACCS

ACCS

ACCS is the $500M NATO Air Command and Control System programme, which is intended to replace the existing air command and control systems in Europe from 2009 onwards. At the highest level it comprises the Combined Air Operations Centre from which the air battle is run...

.

The centre is located in Glons

Glons

Glons is a village in the municipality of Bassenge, province of Liège, Wallonia, Belgium....

, a village close to the cities of Tongeren and Liège

Liège

Liège is a major city and municipality of Belgium located in the province of Liège, of which it is the economic capital, in Wallonia, the French-speaking region of Belgium....

, Belgium

Belgium

Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...

. It employs nearly 200 people. It works closely with the NATO ACCS Management Agency NACMA

NACMA

NACMA is the NATO ACCS Management Agency. It is responsible for the management of the NATO Air Command and Control System programme, which is a $500M project to provide the NATO commands with a new air command and control system from 2009 onwards....

 for the ACCS

ACCS

ACCS is the $500M NATO Air Command and Control System programme, which is intended to replace the existing air command and control systems in Europe from 2009 onwards. At the highest level it comprises the Combined Air Operations Centre from which the air battle is run...

 Programme and with NATO Maintenance and Support Agency NAMSA

NATO Maintenance and Supply Agency

The NATO Maintenance and Supply Agency , abbreviated to NAMSA, is the main logistics agency of the North Atlantic Treaty Organisation...

for the maintenance of various Air C2 buffer systems.

Sources

web page of NPC at http://www.npc.nato.int/

NATO structure on http://www.nato.int/structur/structure.htm

Armed Forces UK on http://www.armedforces.co.uk/mod/listings/l0009.html