Delta (rocket family)
The Delta rocket family is a versatile range of American rocket-powered expendable launch systems that has provided space launch capability in the United States since 1960. Japan also launched license-built derivatives (N-I, N-II, and H-I) from 1975 to 1992. More than 300 Delta rockets have been launched with a 95% success rate. The series has been phased-out in favor of the Vulcan Centaur, with only the Delta IV Heavy rocket remaining in use as of June 2023.
| Delta Family | |
|---|---|
| Delta II through Delta IV | |
| Role | Expendable launch system with various applications |
| Manufacturer | United Launch Alliance |
| First flight | May 13, 1960 |
| Introduction | 1960 |
| Status | active |
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