When does Mobile Suit Gundam: Iron-Blooded Orphans return?

The series follows the exploits of a group of juvenile soldiers who establish their own security company after rebelling against the adults who betrayed them on a futuristic, terraformed Mars. The catchphrase of the series is "The sustenance of life is on the battlefield" It aired in Japan on MBS and other JNN stations from October 4, 2015 to March 27, 2016.