PL-47 is a machine designed cosmic vessel capable of going into space.
In an unknown date Aliens attacked Earth by hurling asteroids, one of them hit a human tower in London, killing 200,000 people. One human woke up in a bluepill experience, but was later put back into sleep. Machines worked fast to counter the aliens. So they changed the history of the human and made him the best fighter pilot in the matrix. He was then woken up in the real world and sent in a PL-47 to destroy the alien space ship. He succeeded but the machines never returned him to earth, however and as a last wish, The Machines reconnect him to live the rest of his life inside The Matrix before died in The Reality.