Grey Knights - Notable Grey Knights Vessels: Bright Sword (Battle Barge) - One of four Battle Barges commanded by Grand Master Vorth Mordrak, the Grey Knights' current Admiral of the Fleet.Emperor's Will (Battle Barge) - The Emperor's Will is one of four Battle Barges commanded by Grand Master Vorth Mordrak, the Grey Knights' current Admiral of the Fleet.Fire of Dawn (Battle Barge) - The Fire of Dawn was the flagship of the Chapter's 8th Brotherhood. It participated in the Armageddon containment campaign under the command of Grand Master Joros after the First War for Armageddon. The Fire of Dawn is one of four battle barges currently commanded by Grand Master Vorth Mordrak.Glaive of Janus (Battle Barge) - The Glaive of Janus was the flagship of the 1st Brotherhood for 10,000 years. It was destroyed in 445.M41 by the Space Wolves during the Armageddon containment campaign. All hands, including over 50 of the Chapter's most venerated Astartes, were lost with it.Redeemer of Souls (Battle Barge) - One of four Battle Barges commanded by Grand Master Vorth Mordrak, the Grey Knights' current Admiral of the Fleet.Ruler of the Black Skies (Battle Barge) - The Ruler of the Black Skies was the flagship of the Chapter's 3rd Brotherhood. It participated in the First War for Armageddon under the command of Brother-Captain Taremar Aurellian.Rubicon (Strike Cruiser) - The Rubicon served Grand Master Tencendur during the capture of the renegade Inquisitor Valinov and later transported Justicar Alaric and his strike team during the Hunt for Ghargatuloth. The Rubicon sacrificed itself to deliver Justicar Alaric and his warriors to the surface of Volcanis Ultor.Valour Saturnum (Strike Cruiser) - The Valour Saturnum participated in the purging of Khorion IX, lair of the Greater Daemon of Tzeentch, Ghargatuloth.Vengeful (Strike Cruiser) - The Vengeful participated in the purging of Khorion IX.Equinox Blade (Strike Cruiser) - The Equinox Blade was commanded by Brother-Captain Danicus during the Harrowing of the Night Reapers. The Strike Cruiser was damaged by the explosion of the Space Hulk Perun Cross. The Night Reapers Renegade Space Marine Chapter had hoped to turn the tide on their pursuers, the Red Templars, Minotaurs and Grey Knights, by destroying the wreck.Makhaira (Destroyer) - The Makhaira participated in the Armageddon containment campaign.Xiphos (Destroyer) - The Xiphos participated in the Armageddon containment campaign.Karabela (Escort Frigate) - The Karabela was the frigate and transport of the Grey Knights' Interceptor Squad Castian. It participated in the First War for Armageddon under command of Justicar Galeo, and in the Armageddon containment campaign under joint command of Brothers Hyperion and Malchadiel. It had the dubious distinction of firing the first shot in the internecine war between the Inquisition and the Space Wolves Chapter after the First War for Armageddon.Kaskara (Escort Frigate) - The Kaskara was lost in 445.M41 during the Armageddon containment campaign, likely destroyed by the Space Wolves.Spatha (Escort Frigate) - The Spatha was lost in 445.M41 during the Armageddon containment campaign, likely destroyed by the Space Wolves.Armistice (Unknown Class) - The Armistice participated in the Armageddon containment campaign.Blade's Fall (Unknown Class) - The Blade's Fall participated in the Armageddon containment campaign.Flawless (Unknown Class) - The Flawless participated in the Armageddon containment campaign.Solemnity (Unknown Class) - The Solemnity participated in the Armageddon containment campaign. It was destroyed in 445.M41 during the final phase of that campaign, the Inquisitorial siege of The Fang.Unforesaken (Unknown Class) - The Unforesaken was a massive and ancient Imperial warship of an unknown class. It was destroyed in 444.M41 while on duty in Titan's defence fleet, rammed by the Space Wolves destroyer Veregelt when the latter translated into realspace within Titan's gravity well. The Veregelt had been compromised while trying to reach Titan with news of the coming campaign by Chaos to conquer the strategic Hive World of Armageddon in what would eventually become the First War for Armageddon.