Falcon 9 Block 5 | NROL-172

Thirteenth 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 · Unknown (N/A)

• B1097 · flight 9 · Autonomous Spaceport Drone Ship @ Of Course I Still Love You · landed ✓ · last flew Falcon 9 Block 5 | Starlink Group 17-22 · zone record 212/220

• SpaceX NROL-172 — The Space Devs
• Live: SpaceX Falcon 9 rocket launches from California on a mission for U.S. spy satellite agency — Spaceflight Now
• NROL-172 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−1MStartup
7. T−1MTank Press
8. T−45SGO for Launch
9. T−3SIgnition
10. P0DLiftoff
11. T+1M6SMax-Q
12. T+2M25SMECO
13. T+2M29SStage 2 Separation
14. T+2M36SSES-1
15. T+2M53SFairing Separation
16. T+6M15SEntry Burn Startup
17. T+6M38SEntry Burn Shutdown
18. T+8M6SStage 1 Landing Burn
19. T+8M30SStage 1 Landing

• Launch success.

  Cosmic_Penguin · 5/12/2026 · source

• Unofficial Re-stream by SPACE AFFAIRS has started

  LL2 · 5/12/2026 · source

• Liftoff.

  Cosmic_Penguin · 5/12/2026 · source

• Unofficial Re-stream by SPACE AFFAIRS has started

  LL2 · 5/12/2026 · source

• Now targeting May 12 at 02:13 UTC

  hitura-nobad · 5/11/2026 · source

• Now targeting May 11 at 22:28 UTC

  Cosmic_Penguin · 5/7/2026 · source

• Reverted back to May 13.

  Cosmic_Penguin · 5/7/2026 · source

• Now targeting May 11 at 22:28 UTC

  Cosmic_Penguin · 5/7/2026 · source

• GO for launch.

  Cosmic_Penguin · 5/6/2026 · source

• Delayed to May 13.

  Cosmic_Penguin · 5/6/2026 · source