A United Launch Alliance (ULA) Delta IV Heavy rocket launched the NROL-82 mission on Monday, April 26, 2021 at 8:47 PM (UTC).

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Provider	United Launch Alliance (ULA)
Vehicle	Delta IV Heavy
Location	SLC-6 Vandenberg AFB California, United States
All dates and times should be submitted in UTC timezone. Use Estimated Date if you don't know the official launch date and time; otherwise, use Window Opens/Closes and/or Planned T-0, which will override the Estimated Date.
— Estimated Date —
Date
— Window Opens —
Date
Time
Launch Date	Monday, April 26, 2021
Launch Time	8:47 PM (UTC)
Launch Time (Pad)	12:47 PM (UTC-8)
— Planned T-0 —
Date	Monday, April 26, 2021
Time	8:47 PM (UTC)
— Window Closes —
Date	Monday, April 26, 2021
Time	8:47 PM (UTC)
COSPAR ID	2021-032

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