---
title: Marking the End of an Era, United Launch Alliance Successfully Launches Final Delta IV Heavy Rocket
description: The Delta program, spanning 60 years, came to a close with the launch of the final Delta IV Heavy rocket by United Launch Alliance (ULA) on April 9 at 12:53 p.m. EDT from Space Launch Complex-37 at Cape Canaveral Space Force Station, Florida. The rocket, carrying the NROL-70 mission for the National Reconnaissance Office, marks the end of the Delta era and initiates the future of heavy lift on ULA’s next generation Vulcan rocket.
image: https://blog.ulalaunch.com/hubfs/53642614832_61cbf7f355_k.jpg
---

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## [Marking the End of an Era, United Launch Alliance Successfully Launches Final Delta IV Heavy Rocket](https://blog.ulalaunch.com/blog/marking-the-end-of-an-era-united-launch-alliance-successfully-launches-final-delta-iv-heavy-rocket)

 April 9, 2024

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![](https://blog.ulalaunch.com/hubfs/53642614832_61cbf7f355_k.jpg)

 Photo by United Launch Alliance

The Delta program, spanning 60 years, came to a close with the launch of the final Delta IV Heavy rocket by United Launch Alliance (ULA) on April 9 at 12:53 p.m. EDT from Space Launch Complex-37 at Cape Canaveral Space Force Station, Florida. The rocket, carrying the NROL-70 mission for the National Reconnaissance Office, marks the end of the Delta era and initiates the future of heavy lift on ULA’s next generation Vulcan rocket.

[Delta IV Heavy NROL-70 Launch Blog](https://www.ulalaunch.com/missions/archived-launched/delta-iv-heavy-nrol-70/)

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## [NROL-91: Delta IV Heavy successfully launches for NRO](https://blog.ulalaunch.com/blog/ussf-12-atlas-v-successfully-launches-for-space-force-0-0)

September 24, 2022

<https://blog.ulalaunch.com/blog/nrol-44-delta-iv-heavy-successfully-launches-national-security-mission>

[Launch](https://blog.ulalaunch.com/blog/tag/launch)

## [NROL-44: Delta IV Heavy successfully launches national security mission](https://blog.ulalaunch.com/blog/nrol-44-delta-iv-heavy-successfully-launches-national-security-mission)

December 11, 2020

<https://blog.ulalaunch.com/blog/nrol-91-delta-iv-heavy-readied-for-vandenberg-launch>

[Launch](https://blog.ulalaunch.com/blog/tag/launch)

## [NROL-91: Delta IV Heavy readied for Vandenberg launch](https://blog.ulalaunch.com/blog/nrol-91-delta-iv-heavy-readied-for-vandenberg-launch)

September 16, 2022

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