Suzukawa heads into the 7th's garrison to rescue Shiraishi.  When the mission goes wrong it's up to Sugimoto to get them out.
So those gunshots were from them!
!إنّهم يستعملونه للهرب
El disparo de antes fue de ellos.
El disparo de antes eran ellos.
Ça explique les coups de feu !
Ils ont pris la fuite dans cet engin !
Lo sapevo, gli spari 
che abbiamo sentito prima erano loro!
É, aqueles disparos eram eles.