SpX

Falcon 9 Block 5 | USSF-259

Government/Top Secret

Open01:00:00 AM UTCClose

Time to liftoff

T−

00D

00H

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Window Opens

Wed, Sep 16, 2026

01:00 AM UTC

Net Precision

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— Featured

Article

Mission Status

@ARealRocketMan · Feb 13, 2026

SpaceX: Falcon 9

— Mission

USSF-259

Polar Orbit· PO

USSF-259 is a classified mission for the United States Space Force.

— Rocket

Falcon

Falcon 9 Block 5

Falcon 9 is a two-stage rocket designed and manufactured by SpaceX for the reliable and safe transport of satellites and the Dragon spacecraft into orbit. The Block 5 variant is the fifth major interval aimed at improving upon the ability for rapid reusability.

Length: 70 m
Diameter: 3.65 m
Launch Mass: 549 t
LEO Capacity: 22,800 kg
GTO Capacity: 8,300 kg
Maiden Flight: 2018

629

Launches

628

Success

SpaceX's Falcon 9 is the world's first orbital-class reusable rocket, designed for the reliable transport of people and payloads into Earth orbit and beyond — and SpaceX maintains an extremely high launch cadence with it.

— Launch Pad

Space Launch Complex 4E

Vandenberg SFB, CA

Space Launch Complex 4 East (SLC-4E) is a launch site at Vandenberg Space Force Base, California, U.S. The pad was previously used by Atlas and Titan rockets between 1963 and 2005. The pad was built for use by Atlas-Agena rockets, but was later rebuilt to handle Titan rockets.

Latitude

34.6320°

Longitude

-120.6110°

Pad Launches

295

Timezone

America/Los_Angeles

Space Launch Complex 4E

Vandenberg SFB, CA

34.632°, -120.611°

— Launch Provider

Commercial

SpaceX

Est. 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.

726

Total

711

Success

127

Pending