Yui is trapped in the abandoned supply base, and the BETA have broken through the defense lines.  With no hope of escape, she attempts to destroy the prototype cannon to keep it from falling into the wrong hands...
D-04 Frontline Supply Base Hangar 18
Base de suministros del frente de batalla Tse-04  - Hangar No. 18
Base de suministros del frente de batalla Tse-04 - Hangar No. 18
Hangar 18 da Base de Suprimentos das Linhas de Frente D-04