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Falcon 9 Block 5 | USSF-366
USSF-366 is a classified mission for the United States Space Force. It is possibly a batch of classified LEO satellites for a US government entity based on SpaceX’s Starshield satellite bus, based on locations of rocket stage drop zones being exact fits with previous Starlink Group 15 launches.
T-minus
00Days
:00Hrs
:00Min
:00Sec
Saturday, August 15, 2026
09:52:00 PM UTC02:52 PM PDT local
4h windowAccurate to the minute
Mission
T-Minus
—±minute
Probability
—weather window
Window
4hlaunch window
Orbit
LEOLow Earth Orbit
Mission Type
Government/Top Secret
Global # This Year
#192orbital attempts
Agency # This Year
#98SpaceX
Vehicle
Launch Vehicle
Falcon 9 Block 5Falcon
Provider
SpaceXCommercial
Success Rate
—
Total Launches
—all-time
Launch Site
Pad
Space Launch Complex 4EVandenberg SFB
Pad Launches
289from this pad
Site Launches
905from Vandenberg SFB
Latitude
34.6320°
Longitude
-120.6110°
Vandenberg SFB Weather
Status
CAUTIONlaunch site · live
Temperature
17.4°C63°F · feels 17.7°C
Wind
9 km/h N6 mph · 360°
Cloud Cover
100%overcast
Visibility
14.9 kmunrestricted
Humidity
86%high
Precipitation
0 mm0% chance
Pressure
1001 hPasurface
Daylight
Conditions
DaytimeVandenberg SFB
Sunrise
06:21 AM PDTlocal
Sunset
07:52 PM PDTlocal
Daylight
13h 31mtotal today
Orbital launches this year#192globally
Agency launches this year#98SpaceX
Launches from this pad289Space Launch Complex 4E
Launches from this site905Vandenberg SFB
Mission Data
Launch VehicleFalcon 9 Block 5
Vehicle FamilyFalcon
Launch Provider🇺🇸 SpaceX
Provider TypeCommercial
Mission TypeGovernment/Top Secret
Target OrbitLow Earth Orbit
Launch PadSpace Launch Complex 4E
Location🇺🇸 Vandenberg SFB, CA, USA USA
Status Note
Current T-0 confirmed by official or reliable sources.
Launch Site Weather
🌡Temperature
17.4°C63°F · feels 17.7°C
💨Wind
9 km/h N6 mph · 360°
🌧Precipitation
0 mm0% chance
💧Humidity
86%
👁Visibility
14.9 km
⬇Pressure
1001 hPa
☁Cloud Cover
100%Daylight · Daytime
Sunrise06:21 AM PDT
Sunset07:52 PM PDT
14h 31m of daylight
Location
Vandenberg SFB, CA, USA
Launch Site
34.6320°N · -120.6110°E
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