Sierra Space finishes first plane of SDA missile tracking satellite structures

Los Angeles CA (SPX) Jan 07, 2026
Sierra Space has completed the first nine satellite structures for the Space Development Agency's Tranche 2 Tracking Layer program, delivering Plane 1 of its contracted 18 satellites three months ahead of schedule. The milestone supports delivery and launch preparation timelines for the Tranche 2 Tracking Layer within the Proliferated Warfighter Space Architecture. Erik Daehler, Senior Vic