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The Series C funding is Sierra Space’s first major capital milestone under Dan Jablonsky’s leadership.
Sierra Space received $550 million in Series C equity financing.
Sierra Space is positioning the reusable Dream Chaser spaceplane as a national security asset for hypersonic research and rapid payload return.
Sierra Space’s company valuation reached $8 billion.
Fatih Ozmen, Sierra Space founder who served as interim chief executive officer, will continue as chair of the board.
Sierra Space is preparing for a next phase of growth across national security, defense, civil, and commercial space markets.
Dan Jablonsky will become chief executive officer of Sierra Space effective March 2, 2026.
Sierra Space has stacked seven of nine completed Semper Citius SDA satellite structures for the Tranche 2 Tracking Layer program.
In June 2025, Sierra Space expanded its solar power system manufacturing capacity to 150 kilowatts per year, a threefold increase.
Blue Origin and Sierra Space demonstrated inflatable habitat module technology for Orbital Reef.
Blue Origin and Sierra Space jointly developed the Orbital Reef commercial space station.
Blue Origin and Sierra Space set a 2027 operational target for Orbital Reef.
Blue Origin and Sierra Space secured $172 million in NASA funding for Orbital Reef.
Blue Origin and Sierra Space completed the Orbital Reef System Definition Review with NASA in June 2025.
In 2024 the Space Development Agency awarded six study contracts worth a combined $1.9 million to Starfish Space, Arkisys, Impulse Space, Quantum Space, Sierra Space, and SpaceWorks Enterprises to study the feasibility of deorbiting PWSA satellites.
Orbital Reef is designed to support 10 astronauts and provide docking capability for Blue Origin’s New Glenn launcher and Sierra Space’s Dream Chaser spaceplane.
Phase 1 of Commercial LEO Destinations funded three partnerships through Space Act Agreements: Blue Origin/Sierra Space for Orbital Reef, Axiom Space for a modular station approach, and Voyager Space partnered with Airbus for Starlab.
Tom Vice is the CEO of Sierra Space and has stated that their technology will enable the unit economics necessary for full commercialization of space.
The dual-use model of Sierra Space's LIFE® technology addresses a critical funding gap by lowering the cost of access to microgravity.
By June 2024, Sierra Space successfully validated its Large Integrated Flexible Environment (LIFE®) technology for creating habitable space.