Mark P. "Forger" Stucky (born 9 November 1958) is an American test pilot and commercial astronaut. In these roles, he was an employee of Virgin Galactic, a private spaceflight company which is developing sub-orbital space tourism flights. After being fired from Virgin Galactic in 2021, Stucky was hired by Blue Origin to be part of that company's Advanced Development Team in October of that year. Stucky is an accomplished aviator with experience in military, commercial, and experimental flight.