The Sky Crawlers (film)

Overview:
The Sky Crawlers is a 2008 Japanese anime film, directed by Mamoru Oshii. It is an adaptation of Hiroshi Mori's novel of the same name.

Story:
The Sky Crawlers is set in an alternate history where, although the world is at peace, in order to ease the tension of a populace accustomed to war and aggression, private corporations contract fighter pilots to stage combat operations against each other for show. The film introduces a mystery involving characters called Kildren, humanoids genetically designed to live eternally in adolescence until shot down in air battles presented commercially for entertainment, after which they are reproduced by cloning.