USSF-259 is a classified mission for the United States Space Force. It is possibly a batch of classified LEO satellites based on SpaceX’s Starshield satellite bus, based on locations of ascent rocket stage drop zones being fits with previous SDA Transport Layer launches. September 17, 2026 at 01:07 UTC · Launch Successful Falcon 9 Block 5 — SpaceX, to Polar Orbit Space Launch Complex 4E, Vandenberg SFB, CA, USA The world's 7395th orbital launch attempt, and 222nd of 2026. https://www.youtube.com/watch?v=7SMBsQ5MQCk https://www.youtube.com/watch?v=zKKHrz80iEQ Data: Launch Library 2, The Space Devs. Image by SpaceX via The Space Devs.