NASA, SpaceX Update Launch Date for SPHEREx and PUNCH Missions

News Release • March 6th, 2025
Spherex

NASA and SpaceX now are targeting no earlier than Saturday, March 8, for the launch of the agency’s SPHEREx and PUNCH missions. The additional time will allow SpaceX to complete rocket preparations ahead of liftoff.

The launch window opens at 10:09 p.m. EST (7:09 p.m. PST) from Space Launch Complex 4 East (SLC-4E) at Vandenberg Space Force Base in California

The prelaunch news briefing now is scheduled for 3:30 p.m. on Friday, March 7, with coverage streaming live on NASA+. Media may ask questions via phone. For the dial-in number and passcode, media should contact the Kennedy newsroom no later than one hour before the start of the event at ksc-newsroom@mail.nasa.gov.

The SPHEREx and PUNCH live launch broadcast will begin at 9:15 p.m., Saturday, March 8, and stream live on NASA+.

Visit the NASA website for more information about SPHEREx and PUNCH.

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