Warhammer 40,000: Armageddon - Vulkan's Wrath

At the climactic moment of the 2nd War for Armageddon, three Space Marine chapters descend from the skies above to aid the beleaguered defenders of Hiveworld Armageddon. Take control of the Salamanders and re-live their contribution to this epic confrontation in a brand new campaign for Warhammer 40,000: Armageddon.
This campaign features 10 all new missions organized into three Acts that follow the exploits and heroic deeds of the Salamanders during the 2nd War for Armageddon. Burn the Orks from the face of Armageddon while saving its people from a fate worse than death as you engage the savage and bloodthirsty Ork Waaagh!
This campaign is an expansion for Warhammer 40,000 Armageddon and requires Warhammer 40,000: Armageddon to play.

Campaign Mission List:
Act 1 River Stygies:
Stygies River Bank
First Strike
Stygies Defence
Act 2 Tartarus:
Chaos at Tartarus
Tartarus Defence
Routing the Orks
Act 3 Huddled Masses:
Return to the Stygies
Hive Volcanus Assault
Vulkan's Wrath
Prison Break

Source:

Steam Store Description