Photo: Bill Ingalls · Public domain (US government)

Delta IV Heavy | DSP-23

Success ULA, Delta IV Heavy

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Mission

Government/Top Secret · GTO

Part of the USAF Defence Support Program (DSP), which forms the principal component of the Satellite Early Warning System, used by the USA.

Remind me

Before liftoff
Also notify me of

If the launch moves, your reminders move with it, and at the time of your first reminder we tell you the new date.