SpaceXLaunch SuccessfulNavigation

GPS III SV10

Name: Falcon 9 Block 5 | GPS III SV10
Start: 2026-04-21T06:53:25Z
Location: Space Launch Complex 40, Cape Canaveral SFS, FL, USA

Falcon 9 Block 5

Launched Tue, Apr 21 · 6:53:25 AM UTC2026-04-21 06:53:25 UTCSpace Launch Complex 40, Cape Canaveral SFS, FL, USA

Reached orbit
Booster landed on Just Read the Instructions

Follow SpaceX in the app Watch the replay

Success

Reached Medium Earth Orbit

The second stage shut down at T+8:06 and released the payload at T+1:29:19.

Landed

B1095 Landed

The first stage landed on Just Read the Instructions, on its 7th flight.

Worldwide

92nd

orbital launch attempt in 2026

SpaceX

48th

launch this year

Space Launch Complex 40

25th

launch from this pad this year

Pad turnaround

6 d 21 h

since the pad's previous launch

Replay

Replay: SpaceX GPS III SV10

The Flight Plan

Planned times, from liftoff at 6:53 AM UTC. The result is at the top of the page.

Countdown9

T−38:006:15 AMLaunch director verifies go for propellant load
T−35:006:18 AMStart of propelland loading
T−35:006:18 AMStart of liquid oxygen loading in the first stage
T−16:006:37 AMStart of liquid oxygen loading in the second stage
T−7:006:46 AMStart of engine chilling
T−1:006:52 AMThe onboard computer takes control over the countdown and runs last checks
T−1:006:52 AMFuel tanks are pressurized to flight levels
T−0:456:52 AMLaunch director verifies go for launch
T−0:036:53 AMStart of the engine ignition sequence

Show the countdown (9 steps)

T−38:006:15 AMLaunch director verifies go for propellant load
T−35:006:18 AMStart of propelland loading
T−35:006:18 AMStart of liquid oxygen loading in the first stage
T−16:006:37 AMStart of liquid oxygen loading in the second stage
T−7:006:46 AMStart of engine chilling
T−1:006:52 AMThe onboard computer takes control over the countdown and runs last checks
T−1:006:52 AMFuel tanks are pressurized to flight levels
T−0:456:52 AMLaunch director verifies go for launch
T−0:036:53 AMStart of the engine ignition sequence

Ascent6

T+0:006:53 AMFirst upwards movement of the rocket
T+1:176:54 AMMaximum dynamic pressure
T+2:296:55 AMCut-off of the main engine
T+2:326:55 AMSeparation of the second stage from the first
T+2:406:56 AMFirst start of the second engine
T+3:296:56 AMSeparation of the payload fairing

Booster Return4

T+6:126:59 AMStart of the atmospheric entry burn
T+6:417:00 AMEnd of the atmospheric entry burn
T+8:097:01 AMStart of the first stage landing burn
T+8:347:01 AMLanding of the first stage

Second Stage and Payload4

T+8:067:01 AMFirst cut-off of the second engine
T+1:03:317:56 AMSecond start of the second engine
T+1:04:187:57 AMSecond cut-off of the second engine
T+1:29:198:22 AMFinal deployment of the payload from the rocket

Mission

Tenth of ten GPS III missions.

Launch Provider

SpaceX

Commercial · United States of America · Founded 2002 · CEO Elon Musk

Space Exploration Technologies Corp., known as SpaceX, is an American aerospace manufacturer and space transport services company headquartered in Hawthorne, California. It was founded in 2002 by entrepreneur Elon Musk with the goal of reducing space transportation costs and enabling the colonization of Mars. SpaceX operates from many pads, on the East Coast of the US they operate from SLC-40 at Cape Canaveral Space Force Station and historic LC-39A at Kennedy Space Center. They also operate from SLC-4E at Vandenberg Space Force Base, California, usually for polar launches. Another launch site is being developed at Boca Chica, Texas.

Launches

742

Successful

727

98%

Landings

687

of 715

Upcoming

136

scheduled

FliesFalcon Starship Dragon

All SpaceX launches Website Wikipedia

Updates

Apr 21 · 9:36 AM
Launch success.
Cosmic_Penguin
Apr 21 · 8:23 AM
Spacecraft separation.
Cosmic_Penguin
Apr 21 · 6:53 AM
Liftoff.
Cosmic_Penguin
Apr 21 · 6:37 AM
Unofficial Re-stream by SPACE AFFAIRS has started
Launch Library 2
Apr 20 · 6:07 PM
Updated launch weather, 90% GO.
Cosmic_Penguin

Show earlier updates

Apr 20 · 2:28 PM
Tweaked T-0.
Cosmic_Penguin
Apr 19 · 3:04 PM
Now targeting Apr 21 at 06:53 UTC
Cosmic_Penguin
Apr 19 · 7:08 AM
Now targeting Apr 20 at 06:57 UTC
hitura-nobad
Apr 16 · 7:06 PM
GO for launch.
Cosmic_Penguin
Apr 13 · 5:19 PM
NET April 20 per NOTAMs; TBC.
Cosmic_Penguin
Mar 20 · 6:54 PM
Launch vehicle switched from Vulcan to Falcon 9 due to continuous problems with Vulcan’s sold rocket boosters.
Cosmic_Penguin
Jan 28 · 6:46 PM
NET March.
Cosmic_Penguin
Aug 29 · 2:16 PM
Aiming for launch in late 2025.
Cosmic_Penguin
Oct 31 · 7:31 PM
Adding launch
Nosu

Falcon 9 Block 5

Vehicle history

Height

70m

Diameter

3.6m

To low Earth orbit

22,800kg

Liftoff thrust

7,607kN

Space Launch Now for iOS and Android

Notifications before every launch you follow, live countdowns on your home screen and watch, and webcasts as they start.

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Scan to open on your phone

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SpaceXLaunch SuccessfulNavigation

GPS III SV10

Falcon 9 Block 5

Launched Tue, Apr 21 · 6:53:25 AM UTC2026-04-21 06:53:25 UTCSpace Launch Complex 40, Cape Canaveral SFS, FL, USA

Reached orbit
Booster landed on Just Read the Instructions

Follow SpaceX in the app Watch the replay

Success

Reached Medium Earth Orbit

The second stage shut down at T+8:06 and released the payload at T+1:29:19.

Landed

B1095 Landed

The first stage landed on Just Read the Instructions, on its 7th flight.

Worldwide

92nd

orbital launch attempt in 2026

SpaceX

48th

launch this year

Space Launch Complex 40

25th

launch from this pad this year

Pad turnaround

6 d 21 h

since the pad's previous launch

Replay

Replay: SpaceX GPS III SV10

The Flight Plan

Planned times, from liftoff at 6:53 AM UTC. The result is at the top of the page.

Countdown9

T−38:006:15 AMLaunch director verifies go for propellant load
T−35:006:18 AMStart of propelland loading
T−35:006:18 AMStart of liquid oxygen loading in the first stage
T−16:006:37 AMStart of liquid oxygen loading in the second stage
T−7:006:46 AMStart of engine chilling
T−1:006:52 AMThe onboard computer takes control over the countdown and runs last checks
T−1:006:52 AMFuel tanks are pressurized to flight levels
T−0:456:52 AMLaunch director verifies go for launch
T−0:036:53 AMStart of the engine ignition sequence

Show the countdown (9 steps)

T−38:006:15 AMLaunch director verifies go for propellant load
T−35:006:18 AMStart of propelland loading
T−35:006:18 AMStart of liquid oxygen loading in the first stage
T−16:006:37 AMStart of liquid oxygen loading in the second stage
T−7:006:46 AMStart of engine chilling
T−1:006:52 AMThe onboard computer takes control over the countdown and runs last checks
T−1:006:52 AMFuel tanks are pressurized to flight levels
T−0:456:52 AMLaunch director verifies go for launch
T−0:036:53 AMStart of the engine ignition sequence

Ascent6

T+0:006:53 AMFirst upwards movement of the rocket
T+1:176:54 AMMaximum dynamic pressure
T+2:296:55 AMCut-off of the main engine
T+2:326:55 AMSeparation of the second stage from the first
T+2:406:56 AMFirst start of the second engine
T+3:296:56 AMSeparation of the payload fairing

Booster Return4

T+6:126:59 AMStart of the atmospheric entry burn
T+6:417:00 AMEnd of the atmospheric entry burn
T+8:097:01 AMStart of the first stage landing burn
T+8:347:01 AMLanding of the first stage

Second Stage and Payload4

T+8:067:01 AMFirst cut-off of the second engine
T+1:03:317:56 AMSecond start of the second engine
T+1:04:187:57 AMSecond cut-off of the second engine
T+1:29:198:22 AMFinal deployment of the payload from the rocket

Mission

Tenth of ten GPS III missions.

Launch Provider

SpaceX

Commercial · United States of America · Founded 2002 · CEO Elon Musk

Launches

742

Successful

727

98%

Landings

687

of 715

Upcoming

136

scheduled

FliesFalcon Starship Dragon

All SpaceX launches Website Wikipedia

Updates

Apr 21 · 9:36 AM
Launch success.
Cosmic_Penguin
Apr 21 · 8:23 AM
Spacecraft separation.
Cosmic_Penguin
Apr 21 · 6:53 AM
Liftoff.
Cosmic_Penguin
Apr 21 · 6:37 AM
Unofficial Re-stream by SPACE AFFAIRS has started
Launch Library 2
Apr 20 · 6:07 PM
Updated launch weather, 90% GO.
Cosmic_Penguin

Show earlier updates

Apr 20 · 2:28 PM
Tweaked T-0.
Cosmic_Penguin
Apr 19 · 3:04 PM
Now targeting Apr 21 at 06:53 UTC
Cosmic_Penguin
Apr 19 · 7:08 AM
Now targeting Apr 20 at 06:57 UTC
hitura-nobad
Apr 16 · 7:06 PM
GO for launch.
Cosmic_Penguin
Apr 13 · 5:19 PM
NET April 20 per NOTAMs; TBC.
Cosmic_Penguin
Mar 20 · 6:54 PM
Launch vehicle switched from Vulcan to Falcon 9 due to continuous problems with Vulcan’s sold rocket boosters.
Cosmic_Penguin
Jan 28 · 6:46 PM
NET March.
Cosmic_Penguin
Aug 29 · 2:16 PM
Aiming for launch in late 2025.
Cosmic_Penguin
Oct 31 · 7:31 PM
Adding launch
Nosu

Falcon 9 Block 5

Vehicle history

Height

70m

Diameter

3.6m

To low Earth orbit

22,800kg

Liftoff thrust

7,607kN

Next From Cape Canaveral SFS

Cape Canaveral SFS schedule

Nov—NET

Cygnus CRS-2 NG-25SpaceX · Falcon 9 Block 5 · Space Launch Complex 40, Cape Canaveral SFS, FL, USALow Earth OrbitTo be determinedNET November Nov—NET

Amazon Leo (LV-01)United Launch Alliance · Vulcan VC6L · Space Launch Complex 41, Cape Canaveral SFS, FL, USALow Earth OrbitTo be determinedNET November

Space Launch Now for iOS and Android

Notifications before every launch you follow, live countdowns on your home screen and watch, and webcasts as they start.

See what's in the app

Scan to open on your phone

GPS III SV10

Replay

More Videos

The Flight Plan

Countdown9

Ascent6

Booster Return4

Second Stage and Payload4

Mission

SpaceX

Updates

Falcon 9 Block 5

GPS III SV10

Replay

More Videos

The Flight Plan

Countdown9

Ascent6

Booster Return4

Second Stage and Payload4

Mission

SpaceX

Updates

Falcon 9 Block 5

Next From Cape Canaveral SFS

Next From Cape Canaveral SFS

GPS III SV10

Replay

More Videos

The Flight Plan

Countdown9

Ascent6

Booster Return4

Second Stage and Payload4

Mission

SpaceX

Updates

Falcon 9 Block 5

Never Miss a Launch.

GPS III SV10

Replay

More Videos

The Flight Plan

Countdown9

Ascent6

Booster Return4

Second Stage and Payload4

Mission

SpaceX

Updates

Falcon 9 Block 5

Next From Cape Canaveral SFS

Never Miss a Launch.

Next From Cape Canaveral SFS