Space: above and beyond. The complete series

"It's the year 2063, and after 150 years of space exploration, the people of Earth are certain that they are alone in the universe. Soon, an advanced alien civilization begins a war and young recruits from the Space Aviator Calvary are heading into battle."@en
"It's the year 2063. After 150 years of deep space exploration, the people of Earth feel certain they are alone in the universe. Then word comes that two Earth outposts light-years away have been brutally attacked by an advanced alien civilization. Now the new young recruits of the United States Marine Corps Space Aviator Cavalry are heading for the front lines of space in the toughest battle the world has ever faced. Thrust into an intergalactic war beyond imagination, these untested fighter pilots suddenly find themselves waging a life-and-death struggle to protect Earth and to save mankind from total annihilation."@en