USSF-106
Vulcan VC4S, United Launch Alliance
Space Launch Complex 41, Cape Canaveral SFS, FL, USA
Launch time
T-0
Wed 13 Aug, 02:56 CEST
00:56 UTC
The rocket put its payload into the planned orbit.
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How sure is this date?
The source gives minute precision. Launch plans can change.
Launch probability 80%
Weather concerns: Cumulus Cloud Rule
Launch record updated by LL2
Feed checkedMission
USSF-106 on Vulcan VC4S. Wed 13 Aug 2025, 00:56 UTC. Reported outcome: Success. Launch site: Space Launch Complex 41. Source: Launch Library 2.
USSF-106 is a mission for the United States Space Force. The launch will deploy various payloads directly into geosynchronous orbit, including the NTS-3 (Navigation Technology Satellite 3), a demonstration navigation satellite testing a new digital signal generator that can be reprogrammed on-orbit to broadcast new signals, improve performance by avoiding and defeating interference, and adding signatures for detecting spoofing attacks.
- Mission type
- Government/Top Secret
- Orbit
- Geosynchronous Orbit
Launch-site file imagery

File imagery: Peregrine Mission One, 8 January 2024. Space Launch Complex 41 during a Vulcan launch.
Credit: NASA/Kim Shiflett · Public domain (NASA) · SourceMission patches
- US Space Force Patch
Patch artwork is not shown because its image licence is unconfirmed.
Launch timeline
Times are relative to liftoff.
- T-4.9 s
Ignition
Start of the engine ignition sequence
- T+1.1 s
Liftoff
First upwards movement of the rocket
- T+46.1 s
Supersonic
Vehicle is supersonic
- T+1 min 0.1 s
Max-Q
Maximum dynamic pressure
- T+1 min 36.2 s
SRB Separation
The solid rocket boosters are separated from the launcher.
- T+4 min 57.6 s
MECO
Cut-off of the main engine
- T+5 min 3.7 s
Stage 2 Separation
Separation of the second stage from the first
- T+5 min 13.6 s
SES-1
First start of the second engine
- T+5 min 21.7 s
Fairing Separation
Separation of the payload fairing
Slip history
Changes recorded by Space Right Now
No changes since we started tracking on .
Source updates from Launch Library 2 (20)
Announcements supplied by LL2 may predate our tracking. They are separate from changes observed by Space Right Now.
- LL2 update
Launch success.
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Liftoff.
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New T-0.
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Updated launch weather, 80% GO.
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Refined launch window.
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Updated launch weather, 75% GO.
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Targeting August 12.
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Delayed to NET August 11 UTC.
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NET August 9 UTC, to be confirmed.
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NET August.
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NET July.
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NET Q2 2025.
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NET early 2025.
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NET Q4 2024.
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NET late 2024.
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Reportedly targeting October
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NET late 2024.
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NET summer 2024, pending Vulcan Cert-2 status.
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Mid to late 2023
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Pushing to Q2 FY23
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Launch pad
Space Launch Complex 41
Cape Canaveral SFS, FL, USA (US)
Coordinates: 28.58341025, -80.58303644
View launch pad on a map