Firefly Aerospace signs rocket engine deal worth more than $1.3 billion with AST SpaceMobile
FLY•Firefly Aerospace signed a three-year agreement worth more than $1.3 billion to supply engines to AST SpaceMobile. Payment includes cash and AST Class A shares, while Firefly retains ownership of the engine intellectual property.
1. Engine supply agreement
Firefly will supply 27 Miranda engines and nine Vira engines for AST SpaceMobile’s first three heavy-lift rockets. The agreement also includes engineering support and grants AST manufacturing rights, while Firefly retains full ownership of the engine intellectual property.
2. Payment and production
Payment comprises cash and AST Class A Common Stock, with the shares subject to various lock-up periods. Firefly plans to use proceeds to accelerate launch vehicle production through expanded hiring, equipment purchases and additional testing infrastructure.




