Delta IV Heavy

Overview

A heavy-lift expendable rocket by United Launch Alliance, retired in 2024, used for national-security and high-energy science launches such as Parker Solar Probe.

Components & hardware

Knowledge connections

• Operated byUnited Launch Alliance
• LaunchedParker Solar Probe
• Member of familyDelta
• Launched fromSpace Launch Complex 37B
• Powered byRS-68
• Powered byRL10

Sources

Facts on this topic will be cited from these primary and reference sources.

• ULAUnited Launch Alliance

  Atlas V, Delta IV, and Vulcan Centaur — manufacturer specifications and mission data.