SpaceX's Transporter-15 mission is poised to deliver more than 100 spacecraft to Earth orbit.

A Falcon 9 rocket will launch Transporter-15 today (Nov. 20) from Vandenberg Space Force Base in California. Liftoff is expected from Vandenberg's Space Launch Complex-4E during a 57-minute window that opens at 1:18 p.m. EST (1818 GMT).

Transporter-15 will deliver more than 100 satellites into a sun-synchronous orbit, where each will begin its own, individualized mission. A livestream of the launch will be available on the SpaceX Transporter-15 mission website, the company's profile on X, as well as on Space.com beginning about 15 minutes prior to liftoff.

The mission continues SpaceX's increasing frequency of rideshare launches, and follows on the heels of the late-summer liftoff of the Transp

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