Aerojet
| Company type | Manufacturer |
|---|---|
| Founded | 1942 |
| Defunct | 2013 |
| Fate | Merged |
| Successor | Aerojet Rocketdyne |
| Headquarters | , U.S. |
| Products | Rocket and missile propulsion |
| Parent | GenCorp, Inc. |
Aerojet was an American rocket and missile propulsion manufacturer based primarily in Rancho Cordova, California, with divisions in Redmond, Washington, Orange and Gainesville in Virginia, and Camden, Arkansas. Aerojet was owned by GenCorp, Inc., In 2013, Aerojet was merged by GenCorp with the former Pratt & Whitney Rocketdyne to form Aerojet Rocketdyne.