Yuuya destroyed over 3000 BETA with a single cannon blast.  The whole base throws him a party, but instead of attending he spends the evening staring up at his TSF.  He begs Yui for a chance at some real close-range combat experience, but changing the schedule, she says, will be very difficult.
If the BETA show up when the Type 99 is undergoing maintenance,
Si los BETA aparece mientras el 
cañón está en mantenimiento,
Si los BETA aparecen mientras el 
cañón está en mantenimiento,
Se os BETA aparecerem enquanto o Modelo 99 estiver em manutenção,