Running a Real-Time Simulation of Go-No-Go for Apollo 17 Not everyone gets to become a part of history, but mathematician Billie Robertson is one of the lucky ones. In this image taken on Nov. 27, 1972, she was running a real-time simulation of Translunar Injection (TLI) Go-No-Go for the Apollo 17 lunar landing mission. via NASA http://ift.tt/2FS6VIG