Firefly inks $1.3bn deal to supply engines for new AST SpaceMobile 'Blacklift' rocket
Firefly Aerospace and AST SpaceMobile signed a $1.3bn deal for Firefly to supply engines for AST's new Blacklift rocket. Firefly will provide 36 engines for the first three rockets, with AST gaining a license to manufacture them. AST aims to launch Blacklift by late 2028 to support its satellite constellation for global broadband. Firefly's shares rose 18% and AST's shares increased 1% following the announcement.
How this was made

The 30-second read
Why it matters
The deal provides AST with a guaranteed engine supply and a path to in‑house manufacturing, while giving Firefly a significant cash infusion to accelerate its own rocket programs.
Market read
First disclosure of a multi‑billion engine supply contract, driving immediate share movement and signaling growth in the private launch market.
What to watch
Potential regulatory hurdles for AST's own launch vehicle and competition from established launch providers.
Background
AST SpaceMobile is developing its own launch vehicle, Blacklift, to reduce reliance on third‑party rockets. The $1.3 bn engine supply deal with Firefly Aerospace is a key milestone.
Ticker impact
AST SpaceMobile announced a $1.3 bn contract with Firefly Aerospace to supply engines for its Blacklift rocket, driving a ~1 % share rise.
likely modest upside as the market prices in the new contract revenue
Large‑scale deal, first disclosure, and immediate share reaction indicate material positive impact.
Market effects
Strengthens the U.S. launch services sector and may pressure competitors to secure similar contracts.
Boosts confidence in U.S. satellite‑launch ecosystem, particularly for companies targeting broadband constellations.
Highlights growing demand for private launch capabilities, relevant to global space‑industry investors.
Counterpoint
If Firefly fails to meet delivery timelines, the contract could become a liability, weighing on ASTS.
Key entities
- CompanyAST SpaceMobile
Satellite communications firm developing the Blacklift rocket (NASDAQ: ASTS).
- CompanyFirefly Aerospace
Private aerospace manufacturer supplying Miranda and Vira engines.




