Orbital ATK Inc Signs 5-Year IDIQ Contract with the US Defense Department Orbital ATK has been awarded a five-year contract to supply non-standard ammunition to the department of defense. Orbital ATK Inc. (NYSE:OA) announced that the US Department of Defense (DOD) has awarded the company with an Indefinite Delivery Indefinite Quantity (IDIQ) contract. Under the terms, it is required to deliver non-US standard ammunition (NSA) and mortar weapons systems to DOD’s international allies. This is the second time that Orbital ATK received the NSA IDIQ order. Previously, the company had signed a $300 million worth contract for three years, which expired on December 2015. Its technical and professional expertise in this field helped it to attain this second long-term contract, which comes along with a $20 million initial award.