Event named "Southern Waters Assault Reconnaissance" (南方海域強襲偵察!) Event began on August 1st, 2013 and lasted until August 26th, 2013.
Formerly known as August 2013 event.
E-1 - 警戒線を突破せよ！Break through the cordon!
- Boss health does not regenerate.
- Boss is a submarine.
- Reward I-168 upon clearing.
- Boss health regenerate one gauge every three hours.
- Reward Type 3 SONAR, Type 33 Surface RADAR, Repair Team, and Repair Goddess upon clearing.
E-3 - 敵集結地を強襲せよ！Assault the enemy staging area!
- Boss health regenerate one gauge every two hours.
- Reward Suzuya upon clearing.
E-4 - 敵大型超弩級戦艦を叩け！Strike the enemy super dreadnought battleship!
- Boss health regenerate one gauge every hour.
- Reward Yamato upon clearing.