Russian satellites recently maneuvered to within three meters of each other in low Earth orbit — a stark reminder that space is a warfighting domain and that the race to build resilient satellite constellations has never been more urgent. Lockheed Martin subsidiary Terran Orbital is building the satellite buses for the Space Development Agency’s missile-tracking architecture — one tranche at a time. Laura Winter speaks with Peter Krauss, President and Chief Executive Officer, Terran Orbital.