The Archangel was able to stop the attack from ZAFT ship Vesalius by using Lacus Clyne as hostage, but the shock was most detrimental, witnessing an entire fleet destroyed before the crew’s eyes.
We don't even know
if Miss Lacus is really in there.
.نحن لا نعرف حتّى إن كانت لاكوس-ساما هناك بالفعل
Wir wissen nicht mal,
ob Lady Lacus wirklich dort ist.
Mlle Lacus
n’est peut-être pas à bord.
Nem sabemos se 
a Srta. Lacus está lá mesmo.