WITCHING HOUR elements commence a mass targeted assassination campaign against primary Imperial and collaborationist leadership on Earth and within the solar system.
The 2034 Christmas Day Offensive / Great Human Ethrovi Rebellion begins.
Imperial Fleet inside the Solar System is destroyed.
All Imperial assets in and near Sol off earth are captured, or if they resist, destroyed with nuclear strikes.
Red zones and some yellow zones are swept clean of Imperial presence by USTERCOM or Fleet forces.
Conventional forces smuggled onto the surface over the past several years move to staging areas.
Remaining fueling/trade routes toward the earth approaches are severed by nuclear strikes and the Jovian planets they once orbited are mined.
A large scale operation is commenced by BLACK WATCH elements targeting major command and control figures within the Imperium, collateral damage is not considered an issue. 35% of the 'in uniform' Royal House are killed over 96 hours, half of the remaining are gravely wounded, the Empress is nearly killed in an airstrike that kills a Sev admiral briefing her on the current situation of the Earth approaches.