Yui is trapped in the abandoned supply base, and she plans to lure the BETA to the cannon's core module, taking her with it. Meanwhile the Soviet command, actively jamming all radio communications from the UN command, is joyous at the prospect of obtaining the type 99. The BETA infiltrates the hangar and nearly kill Yui when Yuuya and Stella arrive timely and saves her. Yui continues her plan to blow up the Type 99. Simultaneously, the main BETA force arrive and are heading toward them.