Starship Troopers

Johnny, Carmen, Dizzy and Ace are four young friends finishing high school and making plans for the future. Space dominates as the most appealing place to learn a trade and work. Earth is at war with a race of giant alien bugs, and the four friends will study disciplines to destroy them. But each one will go to a different unit, depending on their abilities. Johnny is separated from his girlfriend, Carmen, since he has to join the infantry. The day Johnny decides to leave the army, the bugs raze his hometown. It is war.