A new trailer shows off gameplay from Battlefleet Gothic: Armada, highlighting the Chaos fleet in the upcoming realty-time strategy game using the Warhammer 40K setting. Here's the description:

Over the millennia, many ships and their crew have betrayed the Imperium to join the Traitor Legions. As such, a big part of the Chaos Warfleet is composed of ancient ship designs that have long since been decommissioned from service in the Imperial Navy.

But make no mistake, this does not make them less fearsome. While not as heavily armoured, Chaos ships are faster than their Imperium counterparts, and out-range them with extensive use of weaponry such as Lances and attack crafts. These traits work well in synergy with the Stasis Bomb: teleported from your ship, the bomb traps enemy ships and their ordnance, while allowing your own lances to rain destruction on them. Astute Chaos admirals will be able to inflict considerable damage to the enemy fleet before they may even return fire.

Chaos ships, and their crew, may also receive the favours of the four Gods of Chaos. Khorne, Slaanesh, Tzeentch and Nurgle will reward your prowess in battle with Chaos Marks, each giving different bonuses and abilities to your ship, while warping their hull, dramatically affecting their appearance.