Earth Directive

The year is 5497. Mankind has spread throughout the universe and has colonized thousands of planets. In the Sol system on the 'Day of Peace' someone suddenly attacks Earth fleet unexpectedly. Years later in deep space the crew of the Oregon is awakened from stasis in deep space by a cryptic message from Earth Command.
Earth has been attacked.
The message is several years old and there has been no further communication from anyone anywhere. The ship turns around and returns to Earth and along with another Earth ship, the Texas. They find the enemy waiting for them surrounding Earth, and a fierce battle takes place in the skies over the planet.
Humanity is facing extinction.
Captain Steven Jones is forced fight a powerful enemy and unravel a mystery surrounding the fate of Earth and prevent it from happening again.