Otaku USA Magazine
Aldnoah.Zero Season 2 Previewed with Subs

Those of you who are hotly anticipating the return of the Aldnoah.Zero anime can rest easy for at least 30 seconds, because Aniplex of America is here with an English-subtitled version of the season 2 trailer.

Aldnoah.Zero returns in January with a new ending theme by Eir Aoi.

Via Crunchyroll