According to official website, upcoming action anime series Girls und Panzer is set to air this coming October.

The story will focus around high school girls battling in tanks.The setting involves a universe where the art of operating tanks is a traditional martial art for girls. The protagonist, Miho, moves to Oarai Girl’s High School, where she is ordered by the student council chairperson to participate in the national Sensha-do championship. [Wikipedia]


Director: Tsutomu Mizushima (Squid Girl, Another, Blood-C, XXXHOLiC) 
Series Composition & Script: Reiko Yoshida (K-ON!, Romeo × Juliet, Saint Seiya Omega)
Music: Shiroh Hamaguchi
Original Character Design:
Humikane Shimada (Strike Witches, Sky Girls)
Takeshi Nogami, assistance (Strike Witches: The Witches of Andorra, Panzer fräulein ALTESEISEN, Sailor-fuku to Jūsensha)

August 23 Update: 

Official website of upcoming  action/school life anime series Girls und Panzer has announced that said series will premiere on October 8.