Universal Soldier (1992)

Genre: Action / Drama / Sci-Fi
Tagline: The ultimate weapons of the future have just declared war... on each other.
Starring: Jean-Claude Van Damme, Dolph Lundgren, Ally Walker, and Ed O'Ross

Plot:
An elite team of soldiers has been used against terrorists where they use astounding physical capabilities to overcome them. Victoria, a reporter, follows them and discovers a part of their secret. When one of the team kills her cameraman she tries to escape. Luc, one of the soldiers begins to have flashbacks and turns sides and helps her as the remainder of the team follows to protect their secrets.

http://www.imdb.com/title/tt0105698/
http://en.wikipedia.org/wiki/Universal_Soldier_(1992_film)