Sphere Being Alliance: Return of the Guardians

After graduating from Project Moon Shadow, a Military Abduction Program where gifted children are trained to communicate and fight an evil Alien infestation on Earth... Corey finds himself in a Temporal Galactic War where he is forced to serve 20 years in a Secret Space Program. If he survives his mission, he will be age regressed, mind wiped and sent back to the same place and time he was taken from.