Saturday, October 10, 2026

SpaceX lofts SDA fourth Tranche 1 plane

SpaceX launched Falcon 9 from Vandenberg SLC-4E at 12:39 a.m. PT on Oct. 10, delivering 21 Northrop Grumman-built Space Development Agency Tranche 1 Transport Layer satellites. SDA said the flight was the fourth of nine Tranche 1 missions and brought on-orbit T1 vehicles to 84 after an Oct. 5 abort. The booster, on its sixth flight, landed at LZ-4; Northrop said the satellites deployed and that a second 21-satellite plane is planned.

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