AST SpaceMobile Is Building Its Own Reusable Rocket to Rely Less on SpaceX
AST SpaceMobile (ASTS) announced plans to build its own reusable rocket, Blacklift, for launching satellites starting in late 2028. Firefly Aerospace (FLY) will supply engines, valued at over $1.3B. ASTS shares rose 7.05%, while FLY surged 36.8%. The deal includes $800M upfront, including ASTS shares, and adds to ASTS's cash burn and dilution.
How this was made

The 30-second read
Why it matters
The partnership creates a new revenue stream for Firefly and adds execution risk for AST, influencing both stocks’ near‑term volatility.
Market read
Both companies experience significant price moves on the same day due to a material contract, making the news highly relevant for traders.
What to watch
Potential regulatory hurdles for the new rocket and the risk that AST’s satellite deployment timeline remains unchanged.
Background
AST SpaceMobile is a U.S. satellite‑communications company that currently relies on third‑party launch services. Firefly Aerospace supplies rocket engines and now partners on a dedicated launch vehicle.
Ticker impact
AST announced a $1.3 billion engine‑license and rocket development deal with Firefly, a fresh primary disclosure that moves its stock and adds execution risk.
potential pressure as investors price in dilution and execution risk
The deal adds $800 m upfront cost and share issuance, while the rocket timeline is 2028, creating near‑term uncertainty.
Firefly disclosed a $1.3 billion contract to supply 27 Miranda and nine Vira engines to AST, driving a 36.8% intraday jump.
likely upside as the market prices in the sizable contract revenue
The contract represents ~37% of Firefly’s market cap and 4.5× trailing revenue, a material catalyst.
Market effects
Highlights growing vertical integration in the small‑sat launch market and could pressure other launch providers.
U.S. launch ecosystem sees a new competitor, potentially affecting SpaceX and Blue Origin market share.
The deal underscores the strategic importance of private‑sector launch capabilities worldwide.
Counterpoint
AST’s dilution and long‑term timeline may outweigh cost‑saving benefits, leading to a bearish stance.
Key entities
- CompanyAST SpaceMobile
U.S. satellite‑communications firm planning its own launch vehicle.
- CompanyFirefly Aerospace
Rocket engine and launch services provider entering a multi‑year contract with AST.




