In September,2008
Looking at the sales and interest of the first two seasons, season 3 will not come to the US.
its already out
FUNimation released the first season of Sekirei dubbed as a DVD box in November of 2010.
next year
There is no plan for a season three to be released due to the massive divergence from the manga.
Sekirei - 2008 The Wind's Answer 2-3 was released on: USA: 18 July 2010
Sekirei - 2008 Silent Omen 2-1 was released on: USA: 13 June 2010
Sekirei - 2008 Words of Binding 2-6 was released on: USA: 8 August 2010
Sekirei - 2008 Bonds of Truth 2-13 was released on: USA: 26 September 2010
Yes. Her name is Miya, and she is Sekirei #01, part of the now-disbanded First Disciplinary Squad.
Sekirei chapter 120 is already out. But there is shortage of raw version so it is taking a long time for translation. The english version is expected to be out this month i.e November 2011.
when is season 2 of unatural history come out