Orbital ATK
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'''Orbital ATK Inc.''' is an American [[aerospace manufacturer]] and [[defense industry]] company. It was formed in 2015 from the merger of [[Orbital Sciences Corporation]] and parts of [[Alliant Techsystems]]. Orbital ATK designs, builds and delivers space, defense, and aviation-related systems to customers around the world both as a prime contractor and as a merchant supplier. It has workforce of approximately 12,000 employees dedicated to aerospace and defense including about 4,000 engineers and scientists; 7,000 manufacturing and operations specialists; and 1,000 management and administration personnel. | '''Orbital ATK Inc.''' is an American [[aerospace manufacturer]] and [[defense industry]] company. It was formed in 2015 from the merger of [[Orbital Sciences Corporation]] and parts of [[Alliant Techsystems]]. Orbital ATK designs, builds and delivers space, defense, and aviation-related systems to customers around the world both as a prime contractor and as a merchant supplier. It has workforce of approximately 12,000 employees dedicated to aerospace and defense including about 4,000 engineers and scientists; 7,000 manufacturing and operations specialists; and 1,000 management and administration personnel. | ||
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Orbital ATK Inc. is an American aerospace manufacturer and defense industry company. It was formed in 2015 from the merger of Orbital Sciences Corporation and parts of Alliant Techsystems. Orbital ATK designs, builds and delivers space, defense, and aviation-related systems to customers around the world both as a prime contractor and as a merchant supplier. It has workforce of approximately 12,000 employees dedicated to aerospace and defense including about 4,000 engineers and scientists; 7,000 manufacturing and operations specialists; and 1,000 management and administration personnel.
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History
A merger of Orbital Sciences Corporation and the defense and aerospace divisions of Alliant Techsystems (ATK) was announced on April 29, 2014. The two companies had collaborated on several previous projects, including the use of 400 ATK rocket motors in Orbital's launch vehicles. The deal officially closed on February 9, 2015. ATK's sporting-goods division spun off to form Vista Outdoor on the same day.
On September 18, 2017, Northrop Grumman announced plans to purchase Orbital ATK for $7.8 billion in cash plus assumption of $1.4 billion in debt. Orbital ATK shareholders approved the buyout on November 29, 2017. Closing of the deal is expected in the first half of 2018 pending regulatory approval.
Organization
Flight Systems Group
Based in Chandler, Arizona, the Flight Systems Group includes the Pegasus, Minotaur, and Antares launch vehicles as well as solid-propulsion and aerostructures programs. The company also operates a Lockheed L-1011 TriStar wide body jetliner which is named Stargazer and is used to air launch Pegasus rockets carrying payloads into space. The Stargazer aircraft is also used for testing under specific programs.
Defense Systems Group
The Defense Systems Group, based in the Baltimore, Maryland area, produces tactical missiles, defense electronics, and medium- and large-caliber ammunition. The division also produces fuzing and warheads for both tactical missiles and munitions; precision metal and composite structures for medium and large-caliber ammunition, military aircraft, ground vehicles, and missile systems; load, assembly, and pack (LAP) of medium caliber munitions; and propellants and powders for the canister and commercial markets.
Space Systems Group
Orbital ATK's Space Systems Group provides satellites for commercial, scientific, and security purposes. This group also produces the Cygnus spacecraft, which delivers cargo to the International Space Station. The group is based at the company's headquarters in Dulles, Virginia.
Products
Rockets
- Antares, two- or three-stage medium-lift expendable launch vehicle
- Minotaur I, four-stage small-lift expendable launch vehicle
- Minotaur IV, four-stage small-lift expendable launch vehicle
- Minotaur V, five-stage launch vehicle used for geosynchronous transfer orbits and trans-lunar orbits
- Minotaur VI, five-stage medium-lift expendable launch vehicle
- Minotaur-C, four-stage small-lift expendable launch vehicle
- Pegasus, air-launched four-stage small-lift launch vehicle
- OmegA (rocket)
Rocket engines
- GEM-40, solid rocket booster used on the Delta II rocket
- GEM-60, solid rocket booster used on the Delta IV rocket
- GEM-63, solid rocket booster planned to be used on the Atlas V rocket
- GEM-63XL, solid rocket booster planned to be used on the Vulcan rocket
- Castor 4, solid rocket used on the Maxus sounding rocket
- Castor 30, solid rocket used on the Antares rocket
- Castor 120, solid rocket used on the Minotaur-C rocket
- Space Launch System Solid Rocket Booster, based on the Space Shuttle Solid Rocket Booster
Spacecraft
- Al Yah 3, communications satellite for Al Yah Satellite Communications
- HYLAS 4, communications satellite for Avanti Communications
- SES-16, communications satellite for SES S.A.
- Joint Polar Satellite System-2, weather and environmental satellite for NASA and NOAA
- ICESat-2, ice-topography satellite for NASA
- Transiting Exoplanet Survey Satellite, space telescope for NASA
- Ionospheric Connection Explorer, science mission for NASA
- Cygnus, automated cargo spacecraft
- Dawn, space probe for NASA currently in orbit around Ceres
Munitions
- Mk310 PABM-T air burst rounds for MK44.
