NROL-91Delta IV HeavyUnited Launch Alliance00MTH00DAY00HR00MIN00SEC Launch Status Date/Time May Change Projected To Launch July, 2022 Watch In Person LocationSpace Launch Complex 6Vandenberg SFB, CA, USA692 rockets have launched from Vandenberg SFB, CA, USA. RocketDelta IV HeavyLength: 72 meters Diameter: 5 meters First Launch: December 21, 2004The Delta IV Heavy (Delta 9250H) is an expendable heavy-lift launch vehicle, the largest type of the Delta IV family, and is the world’s second highest-capacity rocket in operation. It is manufactured by United Launch Alliance and was first launched in 2004.The Delta IV Heavy rocket has been launched a total of 13 times with 12 successful and 1 failed launches. AgencyUnited Launch AllianceType: Commercial Abbreviation: ULA Administration: CEO: Tory Bruno Founded: 2006 Launchers: Atlas | Delta IV | Vulcan Spacecraft: CST-100 Starliner Country: USAUnited Launch Alliance (ULA) is a joint venture of Lockheed Martin Space Systems and Boeing Defense, Space & Security. ULA was formed in December 2006 by combining the teams at these companies which provide spacecraft launch services to the government of the United States. ULA launches from both coasts of the US. They launch their Atlas V vehicle from LC-41 in Cape Canaveral and LC-3E at Vandeberg. Their Delta IV launches from LC-37 at Cape Canaveral and LC-6 at Vandenberg. View Rocket Launch Schedule