SDA Director Departs Ahead Of Tranche 1 Satellite Launches

SDA Director Derek Tournear (right)

SDA Director Derek Tournear (right) has departed the agency effective Sept. 5, 2025.

Credit: Space Foundation
U.S. Space Development Agency (SDA) Director Derek Tournear has left the agency less than one week before the first operational satellites are due to launch. Tournear, who has spent more than six years leading SDA as its longest tenured permanent director, departed for a new opportunity, the agency...
Vivienne Machi

Vivienne Machi is the military space editor for Aviation Week based in Los Angeles.

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