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  2. Orbital ATK - Wikipedia

    en.wikipedia.org/wiki/Orbital_ATK

    Orbital ATK Inc. was an American aerospace manufacturer and defense industry company. It was formed in February 9, 2015 from the merger of Orbital Sciences Corporation and parts of Alliant Techsystems (ATK). Orbital ATK designed, built, and delivered rocket engines, military vehicles, firearms, autocannons, missiles, ammunition, precision ...

  3. Alliant Techsystems - Wikipedia

    en.wikipedia.org/wiki/Alliant_Techsystems

    Alliant Techsystems Inc. (ATK) was an American aerospace and arms manufacturer headquartered in Arlington County, Virginia. The company operated across 22 states, Puerto Rico, and internationally. ATK revenue in fiscal year 2014 was about US$4.8 billion.

  4. Orbital Sciences Corporation - Wikipedia

    en.wikipedia.org/wiki/Orbital_Sciences_Corporation

    Orbital Sciences Corporation (commonly referred to as Orbital) was an American company specializing in the design, manufacture, and launch of small- and medium- class space and launch vehicle systems for commercial, military and other government customers. In 2014, Orbital merged with Alliant Techsystems (ATK) to create a new company called ...

  5. M1156 Precision Guidance Kit - Wikipedia

    en.wikipedia.org/wiki/M1156_Precision_Guidance_Kit

    The M1156 Precision Guidance Kit (PGK), formerly XM1156, is a U.S. Army -designed precision guidance system to turn existing 155 mm artillery shells into smart weapons. [2] The prime contractor was Alliant Techsystems – later merging with Orbital Sciences Corporation to form Orbital ATK, in turn being taken over by Northrop Grumman and ...

  6. Cygnus OA-7 - Wikipedia

    en.wikipedia.org/wiki/Cygnus_OA-7

    OA-7, previously known as Orbital-7, is the eighth flight of the Orbital ATK uncrewed resupply spacecraft Cygnus and its seventh flight to the International Space Station (ISS) under the Commercial Resupply Services contract with NASA. [5] The mission launched on 18 April 2017 at 15:11:26 UTC. Orbital and NASA jointly developed a new space ...

  7. Cygnus (spacecraft) - Wikipedia

    en.wikipedia.org/wiki/Cygnus_(spacecraft)

    t. e. Cygnus is an expendable American automated cargo spacecraft designed for International Space Station (ISS) resupply missions. Initially developed by Orbital Sciences Corporation with financial support from NASA under the Commercial Orbital Transportation Services (COTS) program. To create Cygnus, Orbital paired a pressurized cargo module ...

  8. Northrop Grumman - Wikipedia

    en.wikipedia.org/wiki/Northrop_Grumman

    In September 2017, Northrop announced its intention to acquire missile and rocket manufacturer Orbital ATK Inc for $9.2 billion: $7.8 billion in cash plus $1.4 billion in net debt. [85] On November 29, 2017, the acquisition was approved by Orbital ATK stockholders [86] and on June 6, 2018, the merger closed after final FTC approval. The ...

  9. Cygnus OA-4 - Wikipedia

    en.wikipedia.org/wiki/Cygnus_OA-4

    OA-4 was the fourth of eight flights by Orbital ATK under the Commercial Resupply Services (CRS-1) contract with NASA and the inaugural flight of the larger Enhanced Cygnus PCM. The mission was originally scheduled for 1 April 2015. [10] The Atlas V launch vehicle launched in the 401 vehicle configuration with a four-meter fairing, no solid ...