* '''It is highly recommended to improve one Type 97 Torpedo Bomber (Tomonaga Squadron) to [[File:Icon Imp.png]] before proceeding with [[Quests#F13|Quest F13]]. <font color="red">The {{EquipmentLink|Tenzan Model 12 (Tomonaga Squadron)}} cannot be improved via [[Akashi's Improvement Arsenal]] afterwards.</font>'''
<div class="mw-collapsible"><h3>How To Obtain</h3>
<div class="mw-collapsible"><h3>How To Obtain</h3>