Falcon 9 Block 5 | Starlink Group 13-4, USA 549 & USA 550

Status

Success

Starlink Group 13-4, USA 549 & USA 550

Launch Time
Thu Jul 31, 2025 18:35 UTC

Watch | Article

Rocket

Falcon 9 Block 5

Image Credit: SpaceX

SpaceX

Status: Active

Price: $69.75 million

Liftoff Thrust: 7,607 kN

Payload to LEO: 22,800 kg

Payload to GTO: 8,300 kg

Stages: 2

Strap-ons: 0

Rocket Height: 70.0 m

Fairing Diameter: 5.2 m

Fairing Height: 13.0 m

Details

Vehicles

Of Course I Still Love You

B1071

Flight #27

38 day turnaround

500th Falcon recovery attempt

485th successful Falcon recovery

68th consecutive successful Falcon recovery

142nd consecutive successful Falcon landing

Manifest

Mission Details

Track Payloads

Starlink Group 13-4

SpaceX launch of a batch of Starlink v2-mini satellites for their second-generation high-speed low earth orbit internet satellite constellation.

Manufacturer/Operator: SpaceX

Payloads: 19

Sun-Synchronous Orbit

Wiki

USA 549 & USA 550

SpaceX launched two classified payloads on this mission identified as USA 549 and USA 550 by the US government. It is believed these two satellites are based off the company's Starshield satellite bus derived from the Starlink satellite bus.

Payloads: 2

Sun-Synchronous Orbit

Location

SLC-4E, Vandenberg SFB, California, USA

Wiki

Stats

2025

169th orbital launch attempt

SpaceX

537th mission

97th mission of 2025

525th successful mission

31st consecutive successful mission

Falcon 9

512th mission

94th mission of 2025

508th successful mission

157th consecutive successful mission