Almost 10 years ago I saw an English sci-fi film on a Hungarian TV channel.
The story was about a military mission started from Earth to an alien planet to destroy the whole race. The full story happened on the same starship (mainly the conversations and the mood of the film was interesting). The leaders of the mission has only one eye, because one of their eye was exchanged to a special monocular computer interface. This interface was used to unlock secret codes.
On the way to the alien planet some type of malfunction happened, and also some soldier died. Step by step, more army men died, and near to the end of film just a few people remained. They felt the mission is in danger and tried to save the situation. Finally only one young solder remained alive who launched the nuclear bomb carried by the starship to destroy the planet where the ship arrived. Unfortunately the ship arrived at Earth, because one alien lived with them on the ship and she reversed the ship at the middle of their travel.
This enemy alien looked like a normal man, because the aliens made surgical operations on one of their female specimens, and converted her to a human appearance.
Does anybody know the title of this film?