优势火力：异形2幕后制作纪录[电影解说]简介　This feature-length documentary, made especially for the 2003 Aliens (1986) DVD release, is incredibly informative with all its interviews with both the cast and crew, as well as behind the scenes footage filmed during the making of the film. Every possible element towards what went into making the movie is included here and gives fans an overload of information to fill their brains with.