Mobile Suit Gundam: Iron-Blooded Orphans (2015)

S1E1 Iron and Blood...

As the citizens of the Martian colony Chryse rally for independence from Earth’s rule, the Chryse Guard Security is tasked with safeguarding Princess Kudelia Aina Bernstein during her diplomatic efforts. However, chaos erupts when Gjallarhorn forces launch an unexpected assault on the CGS headquarters. In a surprising turn, the Third Army Division, left to fend for themselves by their leaders, retaliates using the legendary Gundam Barbatos, with Mikazuki Augus at the controls.