Before revision: Private spaceflight companies Each private spaceflight system builder typically sets up their own specific criteria to be met before carrying humans on a space transport system
After revision: On 13 February 2024 the CE-20 engine, after a series of ground qualification tests, was certified for crewed Gaganyaan spaceflight missions..Private spaceflight companies Each private spaceflight system builder typically sets up their own specific criteria to be met before carrying humans on a space transport system