Editing Alliant Techsystems (section)

{{short description|American aerospace and defense firm (1990–2015)}}
{{Use mdy dates|date=April 2012}}
{{Infobox company
| name = Alliant Techsystems Inc.
| logo = ATK Alliant Techsystems logo.svg
| type = [[Public company|Public]]
| traded_as = {{NYSE was|ATK}}
| foundation = 1990, spun off from [[Honeywell]]
| defunct = {{End date|2015|02|09}}
| fate = Merged with [[Orbital Sciences Corporation]] to form [[Orbital ATK]], sporting group spun off as [[Vista Outdoor]]
| location = [[Arlington, Virginia]], United States
| key_people = Mark DeYoung ([[President (corporate title)|President]] & [[Chief executive officer|CEO]])
| industry = [[Aerospace manufacturer|Aerospace]], [[arms industry|arms]]
| revenue = {{increase}} {{US$|4.8 billion|link=yes}}
| revenue_year = 2017
| net_income = {{increase}} {{US$|0.3 billion}}
| net_income_year = 2017
| assets = {{increase}} {{US$|5.8 billion}}
| assets_year = 2017
| equity = {{increase}} {{US$|1.9 billion}}
| equity_year = 2017
| num_employees = 16,000
| num_employees_year = 2017
| homepage = atk.com
| footnotes = Financials {{as of|2014|03|31|df=US|lc=y}} (final fiscal year end)<br />References:<ref>{{Cite web |date= May 22, 2014 |title=Annual report Form 10-K 2014 Alliant Techsystems Inc. |url=https://www.sec.gov/Archives/edgar/data/866121/000086612114000006/atk-3312014x10xk.htm |access-date=June 24, 2024}}</ref>
}}

'''Alliant Techsystems Inc.''' ('''ATK''') was an American [[Aerospace manufacturer|aerospace]] and [[arms industry|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.

On April 29, 2014, ATK announced that it would spin off its Sporting Group and merge its Aerospace and Defense Groups with [[Orbital Sciences Corporation]].<ref>{{Cite web|url = http://www.orbitalatk.com/news-room/atk-announces-plan-to-create-two-independent,-publicly-traded-companies-committed-to-leadership-in-outdoor-sports-and-aeros|archive-url = https://web.archive.org/web/20150220190213/http://www.orbitalatk.com/news-room/atk-announces-plan-to-create-two-independent,-publicly-traded-companies-committed-to-leadership-in-outdoor-sports-and-aeros|url-status = dead|archive-date = 20 February 2015|title = ATK Press Release|date = 29 April 2014|access-date = 20 February 2015|website = ATK Announces Plan to Create Two Independent, Publicly Traded Companies Committed to Leadership in Outdoor Sports and Aerospace and Defense}}</ref>

The spinoff of the Sporting Group to create [[Vista Outdoor]] and the merger leading to the creation of [[Orbital ATK]] were completed on February 9, 2015. The companies began operations as separate entities on February 20, 2015.<ref>{{Cite web|url = http://news.vistaoutdoor.com/2015-02-10-Vista-Outdoor-Successfully-Completes-Spin-Off-from-ATK-and-Begins-Trading-as-Independent-Company|title = Vista Outdoor Press Release|date = 10 February 2015|access-date = 20 February 2015|website = Vista Outdoor Successfully Completes Spin-Off from ATK and Begins Trading as Independent Company|archive-date = February 12, 2023|archive-url = https://web.archive.org/web/20230212225026/https://news.vistaoutdoor.com/2015-02-10-Vista-Outdoor-Successfully-Completes-Spin-Off-from-ATK-and-Begins-Trading-as-Independent-Company|url-status = dead}}</ref><ref>{{Cite web|url = http://www.orbitalatk.com/news-room/orbital-atk-marks-first-day-of-operations-following-completion-of-merger|title = Orbital ATK Press Release|date = 10 February 2015|access-date = 20 February 2015|website = Orbital ATK Marks First Day of Operations Following Completion of Merger|url-status = dead|archive-url = https://web.archive.org/web/20150212082021/http://www.orbitalatk.com/news-room/orbital-atk-marks-first-day-of-operations-following-completion-of-merger|archive-date = February 12, 2015|df = mdy-all}}</ref> Orbital ATK was bought by [[Northrop Grumman]] in 2018.<ref name="erwin22">{{cite news |last1=Erwin |first1=Sandra |title=Northrop Grumman dismisses speculation that its 2018 acquisition of Orbital ATK could be challenged |url=https://spacenews.com/northrop-grumman-dismisses-speculation-that-its-2018-acquisition-of-orbital-atk-could-be-challenged/ |publisher=SpaceNews |date=28 July 2022}}</ref>