Changes

|Date = ???771-774.[[M41]]{{Fn|2d3b}}

== Overview Prelude==The battle saw In 771.[[ChaosM41]] forces under ,{{Fn|4b}} during the command of Magister [[Anakwanar SekSabbat Worlds Crusade]], [[Warmaster]] take the southern Trinity [[hiveMacaroth]]'s of offensive on the [[EnothisCabal System]] early in stalled. This left the war. The Chaos Crusade's forces pushed northoverextended, driving back allowing the Enothian [[planetary defence forceChaos]] Warlord [[Urlock Gaur]]to lead attacks on multiple planets along the Crusade's coreward flank in an effort to disrupt the Crusade'ssupply lines.{{Fn|1}} The local loyalists were primarly composed of the armies Enothis was targeted alongside [[Belshiir Binary]], [[Caius Innate]] and airforce of the Commonwealth, a state which dominated northern Enothis[[Khan V]].{{Fn|2a4a}}

When ==War==The Chaos forces under the Imperial command of Magister [[crusadeAnakwanar Sek]] fleets arrived, Sek's forces retreated to initially invaded southern Enothis where they quickly took the Southern Trinity hives, and lured the overconfident Imperium into a trap, devastating their forces[[Hive]]s.{{Fn|13b}} By this point, the The Chaos forces were resupplied as wellpushed north, as part of a general Chaos counter-offensive in driving back the Enothian [[Khan Groupplanetary defence force]]s.{{Fn|1}} The local loyalists were primarly composed of the armies and airforce of the Northern Commonwealth, a state which dominated northern Enothis. In battles lasting two months{{Fn|2a}}{{Fn|3b}} To support the struggling Enothian defenders, the Sabbat Worlds Crusade Ninth Army under Lord Militant [[Humel]]was sent to stop Sek's armies were forced from the southern hives into a retreat during which they were constantly harassed by Chaos aircraftadvance.{{Fn|2a3a}}

As When the Imperial survivors fled north across [[crusade]] fleets arrived, Humel intended to drive out the invaders with a massive ground offensive.{{Fn|3b}} However, Sek's forces retreated to the Trinity Hives, and lured the overconfident Imperium into a trap, devastating their forces.{{Fn|1}} By this point, the Chaos forces were resupplied as well, as part of a general Chaos counter-offensive in the [[Khan Group]]. In battles lasting two months, Lord Militant [[Humel]]'s armies were forced from the southern hives into a retreat during which they were constantly harassed by Chaos aircraft.{{Fn|2a}} Fleeing through the Interior Desertback to the north, it the Imperials suffered massive losses.{{Fn|3b}} Humel hoped to get his armies back to the cities at the Zophonian Sea, where they could be rebuilt and resupplied.{{Fn|3b}} It fell to the pilots of the [[Imperial Navy]] and PDF air forces to defend them, flying sorties to harass the Chaos forces.{{Fn|1}}{{Fn|3b}} Advised by Admiral [[Ornoff]], Humel recognized the need to check the Chaos air power, and he devoted all available resources to support an air war.{{Fn|3b}} The Imperial airforce included , including famous formations such as the [[Phantine Air Corps|Phantine XX]] and 101st [[Pacificus Elite]] (the famed "Apostles"), and these, alongside the Commonwealth airforce managed to keep their allies somewhat safe. {{Fn|3b}} Ultimately, however, the cities alongside the southern Zophonian Sea could no longer be held and the Imperial loyalists retreated across the sea to the Commonwealth's core territories.{{Fn|3b}} The Chaos air wings then attacked in force, and the Imperial Navy engaged them over the Zophonian Sea. The heroism of the Imperial pilots saw the enemy's most renowned ace killed and their forces driven back.{{Fn|1}}{{Fn|2d}} Even though the Imperium suffered heavy losses with 948 aircraft destroyed, the Chaos airforce was largely destroyed; it lost about 7840 planes.{{Fn|2d}} The Imperial victory in the [[Battle of the Zophonian Sea]] allowed the Imperium to regain the initiative. In the following weeks, Humel's armies assaulted the Trinity hives again, finally reclaiming them and driving Magister Sek off-world.{{Fn|1}}{{Fn|2d}} on the 62nd day of 774.M41. By this point, Sek had already fled the planet.{{Fn|3b}}

**Northern Commonwealth armies{{Fn|2a}}{{Fn|3b}}**Northern Commonwealth Airforce{{Fn|2a}}{{Fn|3b}}*Sabbat Worlds Crusade Ninth Army{{Fn|3a}}**[[Astra Militarum]]contingent***[[Eighth Pardus Armoured]]{{Fn|2b}}***[[Phantine Air Corps]]{{Fn|2a}}****[[Phantine XX]]{{Fn|1}}****[[Phantine XXI]]{{Fn|2a}}**[[Imperial Navy]]contingent***101st [[Pacificus Elite]] "Apostles"{{Fn|1}}***[[63rd Imperial Fighter Wing]] "Sundogs"{{Fn|2a}}***1267th Navy (recon){{Fn|2b}}***[[409 Raptors]]{{Fn|2a}}