In the year 2063, the final frontier is a battle field. An earth united in peace takes its first steps toward interplanetary colonization, only to be threatened by an enigmatic alien race. Enter the 58th Squadron, a group of wet-behind-the-ears pilots with the Marine Corps Air and Space Cavalry. Under the rigorous tutelage of Sgt. Maj. Frank Bougus, reluctant leader Nathan West and fellow cadets Shane Vansen and Cooper Hawkes embark on a mission to save the galaxy.