Launch Vehicles
Delta IV Heavy
United States
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The most powerful American launch vehicle of its era before SpaceX's Falcon Heavy, built from three Delta IV Common Booster Cores strapped together. It launched some of the U.S. government's heaviest and most classified national-security payloads, along with NASA's uncrewed Orion test flight in 2014, until its retirement in 2024.
Facts
Vehicle ClassHeavy-lift expendable launch vehicle 1 ManufacturerBoeing / United Launch Alliance 1 First Flight Date StatusRetired in 2024 after its final flight, a classified National Reconnaissance Office payload. 1 Payload to LEO (kg)Approximately 28,790 kg. 1 Cross-Tradition Connections
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Part Of
The three-core heavy variant of the Delta IV family, sharing its Common Booster Core design.
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