First episode of Viper's Creed by Anime-Media:
http://www.nyaatorrents.org/?page=download&tid=49424

The story revolves around the members of a private military company (PMC), and the uneasy tension between them and the regular military after a war that caused massive environmental destruction.
(Source: Animekon)
http://viperscreed.jp/
http://anidb.net/perl-bin/animedb.pl...anime&aid=6236