A manga adaption based on the novels by Takumi Yanai. Basically it's Modern-day armies versus Roman/Medieval armies and magical creatures.

Here's where you can read the manga in japanese from it's official website.
http://www.alphapolis.co.jp/manga/view_manga_opening.php?manga_sele_id=138000030

Here's it's TVTropes page.
http://tvtropes.org/pmwiki/pmwiki.php/LightNovel/Gate

Also the novels are being translated over here.
http://www.baka-tsuki.org/project/index.php?title=Gate_-_Thus_the_JSDF_Fought_There

PS: A big thanks to Seitsuki and Atreides of animesuki for scanlating this cool story.

This looks intresting. Resolution is bit small though.

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