Nan Potian was originally a second lieutenant of the Galactic Empire. During a surprise battle with the hostile Free Democratic Planetary Alliance, he fell into a space-time wormhole and returned to 200 years ago. Nan Potian used the knowledge and combat experience of more than 200 years, step by stepFrom a soldier to the pinnacle of life! The truth is within the range of the giant cannon! The emperor of the Galaxy Empire, Nan Potian, has a motto in life. Welcome to this vast age of cosmic voyages, where there are gorgeous mech battles and huge space fleetsBattle, detailed characterization, complex main and secondary stories, and many foreshadowings, so stay tuned! May the new book have a new atmosphere! Thank you for your support!