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SpaceX

NROL-145

Success

Falcon 9 Block 5

T-minus to liftoff

HOURS

MINUTES

SECONDS

Sunday April 20 2025, 12:29:00 UTC

StatusSuccess

Scrub riskLOW

Go93%

VehicleFalcon 9 Block 5

OrbitUnknown

PadSpace Launch Complex 4E

Launch CodexDossier

Every source for this mission in one place — news, social, references, notes & the exact timeline.

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Trajectory unknown

Space Launch Complex 4E

Vandenberg SFB, CA, USA

34.632, -120.611

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Mission

Tenth 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.

Reusable Hardware

All boosters →

First Stage · Flight-provenB1082

active12th flight

Flights23

Landings23/23100%

Fastest turn25d

Recovered · ASDS · OCISLY· 610 km downrange

56d 10h since last flight

Falcon 9 Block 5 booster.

Previous flights · 22

Q's read

Weather & scrubLOW risk

Weather Go93%Wind2 m/sGusts3 m/sCloud90%Temp14°C

Launch Timeline

Countdown

T-00:38:00

GO for Prop Load

T-00:35:00

Prop Load

T-00:35:00

Stage 1 LOX Load

T-00:16:00

Stage 2 LOX Load

T-00:07:00

Engine Chill

T-00:01:00

Startup

T-00:01:00

Tank Press

T-00:00:45

GO for Launch

T-00:00:03

Ignition

In-flight

T+00:00:00

Liftoff

T+00:01:06

Max-Q

T+00:02:26

MECO

T+00:02:29

Stage 2 Separation

T+00:02:36

SES-1

T+00:02:54

Fairing Separation

T+00:06:09

Entry Burn Startup

T+00:06:30

Entry Burn Shutdown

T+00:07:47

Stage 1 Landing Burn

T+00:08:15

Stage 1 Landing

T+00:08:38

SECO-1

T+00:52:27

SES-2

T+00:52:28

SECO-2

Quick facts

VehicleFalcon 9 Block 5

OrbitUnknown

PadSpace Launch Complex 4E

SiteVandenberg SFB, CA, USA

WindowSunday April 20 2025, 10:27:00 UTC→Sunday April 20 2025, 14:56:00 UTC

Vehicle

FamilyFalcon

Height70 m

Diameter3.7 m

Stages2

ReusableYes

LEO capacity22,800 kg

Track record606/607 successful

Landings593/598