The Space Development Agency’s two-year proliferation cycle is reshaping how the satellite industry thinks about acquisition, manufacturing, and industrial base health, panelists said at SATELLITE 2025.
SDA Policy Cell Director Paula Trimble said the agency was created as “a constructive disruptor — not just for space, but for the entire Department of Defense, to look at how things could be acquired differently on different time scales and in different architectures.” The SDA model: proliferate hundreds of small satellites, leverage commercial low-cost launch and manufacturing, and refresh capabilities every two years. The agency has launched 27 Transport and Tracking satellites and is now demonstrating optical inter-satellite links: “We’re demonstrating those optical connections as we speak.”
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L3Harris General Manager of Missile Defense Paul Wloszek said SDA is also pushing firm-fixed-price contracts into an industry accustomed to cost-plus: “They’re pushing the front of firm-fixed price contracts in an industry that is typically a cost-plus type environment.”
York Space Systems VP of Operations Jon Estridge said SDA’s build-to-spec model enables mass production like the automotive industry: “The SDA does a tremendous job of putting out specifications like the automobile industry does.” York is currently building 100 satellites and will launch 45 in 2025. It holds a $615M SDA Tranche 2 contract for 62 Alpha satellites and is building five different constellations this year.
Col. Dean Bellamy (National Security Space EVP) said the SDA model is proving resilience against adversary pace in space. Wloszek said the tracking mission is moving toward completing the full missile defeat-kill chain — from detection to shooter latency to kill-chain enablement.
Trimble closed with the industrial base imperative: “We have to have resilience. We have to have the numbers of satellites, the numbers of sensors, and the ability to replenish on a fairly consistent basis. Making sure that the industrial base is healthy is really the future focus of SDA.” VS
