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SpaceX

NROL-48

Success

Falcon 9 Block 5

T-minus to liftoff

HOURS

MINUTES

SECONDS

Monday September 22 2025, 17:38:00 UTC

StatusSuccess

Scrub riskLOW

Go95%

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

Eleventh 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-provenB1081

active18th flight

Flights27

Landings27/27100%

Fastest turn24d 19h

Recovered · RTLS · LZ-4· 0 km downrange

31d since last flight

Launched Crew-7 on its first flight.

Previous flights · 26

Launch intel

Weather & scrubLOW risk

Weather Go95%Wind2 m/sGusts3 m/sCloud14%Temp14°C

Limiting rule: No flight through cumulus cloud with top at or above the freezing level.

max cloud-top 3569 m above freezing 4284 m (28% cover in 10 nmi) · no GLM flashes within 25 nmi / 30 min, likely cirrus / stratiform ice rather than cumulus · 6.0 ≥ 6 ft significant wave height

Launch Timeline

Countdown

T-00:38:00

GO for Prop Load

T-00:35:00

Stage 1 LOX Load

T-00:35:00

Prop 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+00:01:12

Max-Q

T+00:02:16

MECO

T+00:02:20

Stage 2 Separation

T+00:02:33

Booster Boostback Burn Startup

T+00:02:37

SES-1

T+00:02:52

Fairing Separation

T+00:03:21

Booster Boostback Burn Shutdown

T+00:06:15

Entry Burn Startup

T+00:06:36

Entry Burn Shutdown

T+00:07:28

Stage 1 Landing Burn

T+00:08:00

Stage 1 Landing

T+00:08:40

SECO-1

T+00:52:30

SES-2

T+00:52:32

SECO-2

Quick facts

VehicleFalcon 9 Block 5

OrbitUnknown

PadSpace Launch Complex 4E

SiteVandenberg SFB, CA, USA

WindowMonday September 22 2025, 17:23:00 UTC→Monday September 22 2025, 18:23:00 UTC

Vehicle

FamilyFalcon

Height70 m

Diameter3.7 m

Stages2

ReusableYes

LEO capacity22,800 kg

Track record606/607 successful

Landings593/598