AST SpaceMobile to Develop Blacklift Rocket Using Firefly Aerospace Engines in $1.3 Billion Agreement
AST SpaceMobile (ASTS) will develop the Blacklift rocket for BlueBird satellite launches using Firefly Aerospace (FLY) engines. The $1.3B deal includes engine licensing, manufacturing rights, and support. Blacklift, set for 2028, aims to reduce launch dependency and expand AST SpaceMobile's satellite network.
How this was made

The 30-second read
Why it matters
The partnership provides both companies with strategic and financial upside, but execution risk remains.
Market read
A major vertical‑integration deal in the space sector with $1.3 billion value, likely to affect both stocks and the broader launch market.
What to watch
Regulatory approvals for launch operations and potential competition from established launch firms.
Background
AST SpaceMobile seeks to control its launch chain to reduce costs and improve schedule certainty for its broadband satellite constellation.
Ticker impact
AST SpaceMobile announced a $1.3 billion agreement with Firefly to build its own reusable Blacklift rocket, a first‑time vertical‑integration move.
likely upward pressure as investors price in new revenue and strategic upside
Large capital commitment and technology partnership represent material growth potential.
Firefly Aerospace will license its Miranda and Vira engines to AST SpaceMobile under a $1.3 billion contract, providing upfront cash and equity.
likely supportive price action as the deal validates Firefly's engine market.
Up‑front $400 M cash plus equity stake underscores strong commercial traction.
Market effects
Strengthens the small‑satellite launch and space‑tech sector, signaling more vertical integration trends.
U.S. space‑tech ecosystem gains a domestic launch capability, potentially attracting government contracts.
May influence competitive dynamics with other commercial launch providers worldwide.
Counterpoint
Execution risk on rocket development could delay benefits, and cash burn may pressure balance sheet.
Key entities
- CompanyAST SpaceMobile
U.S. satellite broadband operator (NASDAQ:ASTS).
- CompanyFirefly Aerospace
U.S. launch vehicle developer (NASDAQ:FLY).


