On April 29, 2014, Orbital Sciences announced that it would merge with Alliant Techsystems to create a new company called Orbital ATK, Inc. The merger was completed on February 9, 2015 and Orbital Sciences ceased to exist as an independent entity.
Den 29 april 2014 meddelade Orbital Sciences att det skulle slå samman Alliant Techsystems för att skapa ett nytt bolag som heter Orbital ATK, Inc. Samgåendet slutfördes den 9 februari 2015 och Orbital Sciences upphörde att existera som en oberoende enhet.