It appears that Metal Gear Solid V: The Phantom Pain will launch September 1, 2015.
In a Tweet, @Wario64 links to an IGN video interview with Hideo Kojima that announces the date. You can watch the interview below, or see it in 1080p glory here.
Metal Gear Solid V: The Phantom Pain on Sept 1. I’m in. http://t.co/CKqa7kRuRX pic.twitter.com/vnPvj1oPKu — Wario64 (@Wario64) March 3, 2015
Metal Gear Solid V: The Phantom Pain on Sept 1. I’m in. http://t.co/CKqa7kRuRX pic.twitter.com/vnPvj1oPKu
— Wario64 (@Wario64) March 3, 2015