September 22, 2021

Delta 4/Orion mission stats


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This will be:

  • The 369th Delta rocket launch since 1960
  • The 28th Delta 4 rocket mission since 2002
  • The 8th Heavy configuration to fly
  • The 42nd-43rd-44th main engine from RS-68 family used
  • he 454th production RL10 engine to be launched
  • The 31st RL10B-2 engine launched
  • The 23rd Delta 4 rocket launch from Cape Canaveral
  • The 5th commercial use of Delta 4
  • The 78th Evolved Expendable Launch Vehicle flight
  • The 90th United Launch Alliance mission since 2006
  • The 21st Delta 4 under the ULA banner
  • The 5th launch of the Delta family in 2014
  • The 1st Orion test flight

If you would like to see more articles like this please support our coverage of the space program by becoming a Spaceflight Now Member. If everyone who enjoys our website helps fund it, we can expand and improve our coverage further.
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