Apollo 7's Service Propulsion System engine, rated at 20,500 pounds of thrust, fired eight times as planned during the mission.
Notes on verification
Corrected 2026-09-06 verification pass: aligned thrust figure to NASA's rated 20,500 lb (original text used the rounded 20,000 lb figure common in press summaries). NASA Apollo 7 mission page and NASA 50-year retrospective confirm eight planned SPS burns were executed and all mission objectives accomplished. Cross-confirmed by Astronautix, This Day in Aviation, and Honeysuckle Creek. Primary source reassigned from Smithsonian Air & Space Magazine (source_id=127) to NASA Apollo 7 mission page (source_id=2653). [tier=gold indep_score=0.900 clusters=4 claim_tier=notable reviewed_by=verification_pass_2026_09_06]
Sources
- The Flight (and Fights) of Apollo 7 - Smithsonian Magazine (seed:science_and_space)
- https://www.nasa.gov/missions/apollo/apollo-7/apollo-7-launched-as-race-to-moon-reached-final-stretch/ (corroboration)
- https://www.honeysucklecreek.net/msfn_missions/Apollo_7_mission/hl_apollo7.html (corroboration)
- https://www.nasa.gov/history/50-years-ago-apollo-7-ends-101-successful (corroboration)
- http://www.astronautix.com/a/apollo7.html (corroboration)
- https://www.thisdayinaviation.com/tag/apollo-7/ (corroboration)