Northrop Grumman is made up of three business sectors: Aerospace Systems, Mission Systems, and Technology Services.
Northrop Grumman manufactured the
Aerospace Systems, headquartered in
Redondo Beach, California produces aircraft, spacecraft, high-energy laser systems and microelectronics for the US and other nations. This includes surveillance and reconnaissance, protected communications, intelligence, battle management, strike operations, electronic warfare, and missile defense to Earth observation, space science and space exploration.
B-2 Spirit strategic bomber, the
E-8C Joint STARS
surveillance aircraft, the
RQ-4 Global Hawk, and the
T-38 Talon supersonic trainer are used by the
US Air Force. The US Army uses Northrop Grumman's
RQ-5 Hunter unmanned air vehicle, which has been in operational use since 1995. The U.S. Navy uses Northrop Grumman-built aerial vehicles such as the
BQM-74 Chukar, RQ-4 Global Hawk based BAMS UAS,
Grumman C-2 Greyhound,
Grumman E-2 Hawkeye, and the
EA-6B Prowler. Northrop Grumman provides major components and assemblies for different aircraft such as
F/A-18E/F Super Hornet and the
Northrop Grumman Mission Systems, headquartered in
Linthicum, Maryland creates military radar, sensors and related products, including
radar systems for
air defense, Airspace Management radar systems such as
AMASS, and battlefield surveillance systems like the Airborne Reconnaissance Low (ARL). Tactical aircraft sensors include the
AN/APG-68 radar, the
AN/APG-80 advanced agile beam fire control radar Advanced Electronically Scanned Array (
AESA), and the
scalable agile beam radar (SABR) AESA upgrade for the
F-16 Fighting Falcon, the
AN/APG-77 AESA radar for the
F-22 Raptor, and the
AN/APG-81 AESA radar for the
F-35 Lightning II, and the
AN/AAQ-37 electro-optical Distributed Aperture System (DAS) for the F-35, and the APQ-164 Passive Electronically Scanned Array (PESA) radar for the
B-1 Lancer. Mission Systems produces and maintains the
AWACS aerial surveillance systems for the U.S., the
United Kingdom, NATO, Japan, and others. Northrop Grumman is the prime contractor for the development and integration of the Air Force's $2-billion
Multi-Platform Radar Technology Insertion Program. Northrop Grumman also supports the U.S. ballistic missile program, integrates various command, control and intelligence systems and provides technical and management services to governmental and military customers, all with an emphasis on cyber security. Many other smaller products are made by Northrop Grumman, such as
night vision goggles and secure communications equipment.
The Technology Services sector headquartered in
McNair, Virginia (with a
Herndon mailing address
), works on "the entire life cycle of civil and defense platforms and capabilities through a range of services".
Vinnell, a Northrop Grumman subsidiary, provides training and communications for the military. In 2003, it landed a $48 million contract to train the
 In 2005 the company won a $2 billion contract with
Virginia to overhaul most of the state's IT operations.
 Later that year, The
United Kingdom paid $1.2 billion in a contract with the company to provide maintenance of the country's defensive radar.
Northrop Grumman performs various functions in the
War on Drugs. The company sends planes to spray
herbicides on suspected
cocaine fields in
opium poppy fields in
Affiliated companies and partners
Remotec, a subsidiary, is the foremost manufacturer of
remote control vehicles for explosive ordnance disposal and hazardous material handling. A UK-based subsidiary, Park Air Systems, provides VHF and UHF ground-to-air communications systems for the civil and defense markets. Northrop Grumman has also worked closely with Antenna Associates, Inc., a manufacturer of
Identification friend or foe (IFF)/
Secondary Surveillance Radar (SSR) antennas located in Massachusetts.
In August 2007, Northrop Grumman acquired
Scaled Composites in which it had previously owned a 40% stake.
In 2008, Northrop Grumman began working with DHS Systems LLC, manufacturer of the Deployable Rapid Assembly Shelter (DRASH) in New York, as part of the U.S. Army's Standard Integrated Command Post System program.