Source
From the preview:
Today, we turn our attention to the other side of the Galactic Civil War. While the Rebels are busy recruiting new smugglers and outfitting transport ships with turret-mounted Heavy Laser Cannons, the Imperials are quietly and efficiently preparing to launch their imposing VT-49 Decimator into battle.
However, once it arrives to the battlefield, this warship will be anything but quiet! The VT-49 Decimator is the first Imperial vessel to feature a primary weapon with a 360-degree firing arc, and it’s designed to crash into battle headlong.