Naked and hating life, Isami holes himself up in Bravern's cockpit and refuses to come out. Meanwhile, Lt. Smith has to work out if the strange girl he tripped over on the beach is friend or foe. 
Prepare for submarine combat!
!استعدوا لقتال الغواصات
Auf Kampfstationen!
¡Preparando combate submarino!
¡Preparando combate submarino!
Prepararsi a uno scontro sottomarino!
Preparem-se para combate submarino!
Приготовить подводные орудия!