SDA selects L3Harris and Sierra Space for $1.75B missile-warning and tracking satellites supporting Golden Dome Tranche 3
The Space Development Agency (SDA) has awarded L3Harris and Sierra Space a combined $1.75 billion to field missile warning and tracking satellites for the Golden Dome missile defense initiative, under an accelerated schedule aimed at 2028 demonstrations. Sierra’s OTA covers design, manufacture, and delivery of 18 satellites for the AMDT3 tracking layer.