However, the deterrent power of the [Solar Laser Cannon] was not as strong as Gihren had imagined, and it failed to force the Earth Federation Army to surrender and cease fighting.
Instead, the Earth Federation Army's command realized that surrendering or halting the attack now would give the Principality of Zeon Army another opportunity to fire the [Solar Laser Cannon].
They therefore decided to forcibly continue the final assault plan of [Operation Star One], regrouping their remaining fleet.
With the [White Base] as the core of their main force.
On December 31, UC0079.
They launched a do-or-die final battle against the Zeon Army's [A Baoa Qu] fortress.
Because the Principality of Zeon's soldiers had personally witnessed the immense power and range of the [Solar Laser Cannon], their morale soared.
Every one of them fought bravely against the Earth Federation Army forces, which held an overwhelming numerical advantage, plunging the battle into a prolonged stalemate.
Just as the fighting was reaching its fiercest point.
Gihren, commander-in-chief of the Principality of Zeon Army, was shot dead on the spot by his sister Kishiria Zabi, who had arrived with reinforcements, on charges of "patricide."
This briefly threw the Principality of Zeon Army's command into chaos.
Although Kishiria forcibly took over command, the army's morale had already been affected.
The subsequent course of the battle showed that the overconfident Gihren had underestimated the Earth Federation Army's numbers and combat strength.
Coupled with their low morale.
The two [Dolos Class] supercarriers, which he had placed great hopes on before his death and which could each carry as many as 182 Mobile Suits, failed to achieve much strategic significance.
They were quickly destroyed by Earth Federation Army forces that had forced their way in, using close-range artillery fire.
This left the Principality of Zeon Army unable