Forever Sets the Sun

Forever sets the sun is an almighty battle where the Allies defeated Tatsu. Meanwhile the Soviets secretly demonstrated their Treachery via abandoning them or attacking Mt Fuji where the Emperor is stationed at.

Hold out until the Soviets arrived
The Allies held off many Imperial Attacks and either completing their Bonus Objectives or refuse to do so.

Krukov and Cherdenko demonstrated their Treachery via tricking them they can't arrive.

Psionic Decimator Attack
After Tatsu told them they knew their Friends he used the Decimators to decimate the Allied Bases.

Only the Conyards or any unit far away from the bases Survived.

After the Attack Chronospheres appeared and after transporting an MCV across the area they got more funds to rebuilt or repair they have lost.

Aftermath
Gregor Defected to tell them about Cherdenko and Krukov is attempting to get revenge against Ackermans superweapon.

Now the Allies knew that the Soviets ditched them in the first place.