Falcon 9 Block 5 | NROL-146

First batch of satellites for a reconnaissance satellite constellation built by SpaceX and Northrop Grumman for the National Reconnaissance Office to provide imaging and other reconnaissance capabilities.

Government/Top Secret · Low Earth Orbit (LEO)

• B1071 · flight 16 · Autonomous Spaceport Drone Ship @ Of Course I Still Love You · landed ✓ · last flew Falcon 9 Block 5 | Starlink Group 7-18 · zone record 209/217

• SpaceX NROL-146 — The Space Devs
• SpaceX - Falcon 9 - NROL-146 - SLC-4E - Vandenberg SFB, CA. - May 22, 2024 — SPACE AFFAIRS
• Watch live: SpaceX Falcon 9 rocket launches on a mission for the U.S. spy satellite agency — Spaceflight Now
• NROL-146 Mission — SpaceX

1. T−38MGO for Prop Load
2. T−35MStage 1 LOX Load
3. T−35MProp Load
4. T−16MStage 2 LOX Load
5. T−7MEngine Chill
6. T−1MTank Press
7. T−1MStartup
8. T−45SGO for Launch
9. T−3SIgnition
10. P0DLiftoff
11. T+1M8SMax-Q
12. T+2M27SMECO
13. T+2M30SStage 2 Separation
14. T+2M37SSES-1
15. T+3M2SFairing Separation
16. T+6M6SEntry Burn Startup
17. T+6M27SEntry Burn Shutdown
18. T+7M51SStage 1 Landing Burn
19. T+8M13SStage 1 Landing

• Launch success confirmed

  Nosu · 5/22/2024 · source

• Liftoff.

  Cosmic_Penguin · 5/22/2024 · source

• Unofficial Webcast by SPACE AFFAIRS has started

  LL2 · 5/22/2024 · source

• GO for launch.

  Cosmic_Penguin · 5/20/2024 · source

• NET May 22.

  Cosmic_Penguin · 5/20/2024 · source

• NET May 21 per updated NOTAMs.

  Cosmic_Penguin · 5/18/2024 · source

• GO for launch.

  Cosmic_Penguin · 5/16/2024 · source

• Tweaked launch window per marine navigation warnings.

  Cosmic_Penguin · 5/15/2024 · source

• Adding approximate launch time per marine navigation warnings.

  Cosmic_Penguin · 5/14/2024 · source

• NET May 19.

  Cosmic_Penguin · 5/1/2024 · source