Sector Headquarters

Northrop Grumman Mission Systems
12011 Sunset Hills Road
Reston, VA 20190-3285
(703) 968-1000

Business Units
 
Command and Control Systems Division
2340 Dulles Corner Blvd
Herndon, VA 20171-3415
(703) 561-3100

Intelligence, Surveillance and Reconnaissance Systems Division
12900 Federal Systems Park Drive
Fairfax, VA 22033-4411
(703) 968-1000

Missile Defense Division
12011 Sunset Hills Road
Reston, VA  20190-3285
(703) 968-1000

Network Communications Division
15120 Innovation Drive
San Diego, CA 92128
(858) 592-3000

International Locations

Northrop Grumman Mission Systems Europe
Leander House,
4600 Parkway,
Solent Business Park,
Fareham, Hampshire,
PO15 7AZ
Tel.: +44 (0)845 67 102 67

Park Air Systems Ltd
Northfields
Market Deeping
Peterborough
England
PE6 8UE
Tel.: +44 1778 345434

Subsidiaries

Essex Corporation
A subsidiary of Northrop Grumman
6708 Alexander Bell Drive
Columbia, MD 21046-2100
(301) 939-7000

Essex Windermere
A subsidiary of Northrop Grumman
2000 Windermere Court
Annapolis, MD 21409
(410) 266-1737

Adaptive Optics Associates, Inc.
A subsidiary of Northrop Grumman
10 Wilson Road
Cambridge, MA 02138-1128
(617) 806-1400