SDA Awards $1.75B for Satellites Supporting Golden Dome
- On Monday, the Space Development Agency awarded L3Harris Technologies $955 million to produce 18 Accelerated Missile Defense Tranche 3 satellites supporting President Donald Trump's Golden Dome for America defense shield.
- To accelerate deployment and reduce contractor dependence, the Space Development Agency divided Tranche 3 among multiple suppliers; Lockheed Martin, Northrop Grumman, and L3Harris won initial awards for 72 tracking satellites in a 104-satellite constellation.
- The AMDT3 satellites feature medium-field-of-view payloads for fire control targeting, building on L3Harris's successful Hypersonic and Ballistic Tracking Space Sensor demonstrated in orbit for the Missile Defense Agency.
- Manufacturing will begin immediately at newly expanded facilities in Indiana and Florida, positioning L3Harris as the industry's Trusted Disruptor after investing ahead of demand in production capacity.
- Both L3Harris and Sierra Space satellites are expected available for launch by end of 2028, with L3Harris holding more than 70 missile tracking satellites on order across multiple tranches while competitor Sierra Space won a parallel $798 million contract.
23 Articles
23 Articles
Space-based aspect of Trump’s ‘Golden Dome’ shield gets boost with $1.75 billion in new contracts
The Trump administration's Golden Dome missile defense shield project is expanding its secretive network of space-based, missile-detecting satellites with a $1.75 billion dual contract for two defense technology firms, despite concerns on Capitol Hill about ballooning costs.
SDA awards L3Harris, Sierra $1.75B for missile defense satellites
WASHINGTON —The Space Development Agency has awarded L3Harris Technologies and Sierra Space contracts, worth a total of $1.75 billion, to develop 36 satellites for missile warning, tracking, and targeting in support of the Pentagon’s Golden Dome missile shield. The new birds, dubbed “Accelerated Missile Defense Tranche 3 (AMDT3) space vehicles (SVs),” are to be ready...
SDA awards $1.75B in deals for additional Golden Dome missile tracking sats
The Space Development Agency has tapped L3Harris and Sierra Space to build 36 additional missile warning and tracking satellites in support of President Donald Trump’s Golden Dome architecture. Under the Accelerated Missile Defense Tranche 3 (AMDT3) program, the companies will each develop 18 platforms for the Tranche 3 tracking layer of the agency’s Proliferated Warfighter Space Architecture (PWSA), SDA announced Monday. L3Harris and Sierra Spa…
SDA awards $1.75B for satellites supporting Golden Dome
The Space Development Agency awarded a combined $1.75 billion to L3Harris and Sierra Space for Accelerated Missile Defense Tranche 3 satellites, which the organization says is in support of the Golden Dome for America program. Sierra Space will build 18 missile warning/missile tracking satellites for $798 million, and L3Harris will build 18 missile defense satellites -- similar to the Hypersonic and Ballistic Tracking Space Sensor satellites -- …
Denver Post
Greeley TribuneColorado’s Sierra Space lands pivotal $798 million ‘Golden Dome’ defense contract
Sierra Space announced Monday it has secured a $798 million contract to build missile-tracking satellites for the U.S. Space Force, cementing its position as a “prime” contractor in the Trump administration’s “Golden Dome for America” defense shield.
Golden Dome contracts won by L3Harris and Sierra Space
The Space Development Agency (SDA) has awarded Golden Dome contracts to L3Harris Technologies and Sierra Space to build missile warning technology for US President Donald Trump’s planned homeland defense shield. On July 13, 2026, SDA said L3Harris had been awarded $955 million to produce 18 Accelerated Missile Defense Tranche 3 (AMDT3) satellites. On the same day, Sierra Space said the company had been awarded up to $798 million, to design, manu…
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