Company
Sierra Space
Every Cosmic Herald story on Sierra Space — missions, launches, discoveries, and the business of space, newest first.
4articles
2026-07-15latest coverage
Military Spacemost-covered category
L3Harrismost appears with
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Military Space
Pentagon's Missile-Tracking Constellation Grows by 36 as SDA Hands Out $1.75 Billion
L3Harris and Sierra Space will build 36 new missile-tracking satellites for $1.75 billion, pushing the Space Development Agency's Tranche 3 constellation to 104 spacecraft in support of the Golden Dome missile-defense architecture.
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Military Space
SDA Hands L3Harris and Sierra Space $1.75 Billion to Build 36 Golden Dome Tracking Satellites
The Space Development Agency awarded L3Harris and Sierra Space a combined $1.75 billion on July 13 to build 36 missile-tracking satellites for Golden Dome's Tranche 3, targeting launch by the end of 2028.
