List of Thor and Delta launches (2020–2029)

Short description: Wikipedia list article

The decade of the 2020s will see only the Delta IV Heavy remain in operation following the retirement of the Delta II in 2018 and single-stick (non-Heavy) variants of the Delta IV in 2019. This will mark the final decade for the Thor-Delta rocket family as ULA's upcoming Vulcan Centaur rocket is set to replace the Delta IV Heavy in the mid-2020s.

List of Thor and Delta launches

1957–1959 * 1960–1969 * 1970–1979 * 1980–1989 * 1990–1999 * 2000–2009 * 2010–2019 * 2020–2029

## Contents

* 1 Launch statistics
* 1.1 Launch sites
* 1.2 Launch outcomes
* 2 Launch history
* 2.1 2020
* 2.2 2021
* 2.3 Future launches
* 3 See also
* 4 References

## Launch statistics

### Launch sites

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### Launch outcomes

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## Launch history

### 2020

Flight No.  | Date / time (UTC)  | Rocket,
Configuration  | Launch site  | Payload  | Payload mass  | Orbit  | Customer  | Launch
outcome
385  | 11 December 2020
01:09  | Delta IV Heavy | CCSFS, SLC-37B | USA-311 (NROL-44)  | Classified  | GSO | US NRO  | Success[1]
Reconnaissance satellite, likely an Orion satellite.[2] Launch attempts on 29 August and 30 September were aborted due to problems with the Ground Service Equipment (GSE).[3][4] The rocket finally lifted off on 11 December.

### 2021

Flight No.  | Date / time (UTC)  | Rocket,
Configuration  | Launch site  | Payload  | Payload mass  | Orbit  | Customer  | Launch
outcome
386  | 26 April 2021
20:47  | Delta IV Heavy | Vandenberg Air Force Base , SLC-6  | USA-314 (NROL-82)  | Classified  | LEO | US NRO  | Success[5]
Reconnaissance satellite, likely a KH-11 Kennen satellite.[6]

### Future launches

Flight No.  | Date / time (UTC)  | Rocket,
Configuration  | Launch site  | Payload  | Payload mass  | Orbit  | Customer  | Launch
outcome
387  | 2022[7] | Delta IV Heavy | Vandenberg Air Force Base , SLC-6  | NROL-91 | Classified  | LEO | US NRO  | Awaiting Launch
Reconnaissance satellite, final Delta flight from Vandenberg.
388  | 2023[7] | Delta IV Heavy | CCSFS, SLC-37B | NROL-68 | Classified  | GEO | US NRO  | Awaiting Launch
Reconnaissance satellite.
389  | 2024[7] | Delta IV Heavy | CCSFS, SLC-37B | NROL-70 | Classified  | GEO | US NRO  | Awaiting Launch
Reconnaissance satellite, final flight of the Delta rocket family.

## See also

* List of Atlas launches (2020–2029)
* List of USA satellites
* List of NRO launches

## References

1. ↑ "United Launch Alliance Successfully Launches NROL-44 Mission to Support National Security". https://www.ulalaunch.com/about/news/2020/12/11/united-launch-alliance-successfully-launches-nrol-44-mission-to-support-national-security.
2. ↑ https://space.skyrocket.de/doc_sat/nrol.htm
3. ↑ https://twitter.com/torybruno/status/1299623698090135552
4. ↑ https://twitter.com/torybruno/status/1311533156965715968
5. ↑ "United Launch Alliance Successfully Launches NROL-82 Mission to Support National Security". https://www.ulalaunch.com/about/news/2021/04/26/united-launch-alliance-successfully-launches-nrol-82-mission-to-support-national-security.
6. ↑ https://space.skyrocket.de/doc_sat/nrol.htm
7. ↑ 7.0 7.1 7.2 Erwin, Sandra (24 August 2020). "ULA to launch Delta 4 Heavy for its 12th mission, four more to go before rocket is retired". SpaceNews. https://spacenews.com/ula-to-launch-delta-4-heavy-for-its-12th-mission-four-more-to-go-before-rocket-is-retired/. "In 2018 it was awarded NROL-91, NROL-68 and NROL-70 — projected to launch in fiscal years 2022 2023 and 2024"

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