Stoke unveils Andromeda 2 upper-stage engine with integrated liquid-hydrogen-cooled metal heat shield to enable immediate reflight

Stoke announces Andromeda 2, a redesigned high-performance upper-stage rocket engine featuring an integrated metal reentry heat shield actively cooled with liquid hydrogen to enable immediate rapid reusability without inspection or refurbishment. The design builds on earlier prototypes and aims to make upper-stage reusability practical, lowering launch costs and improving availability and reliability.