Changes

* The flagship must be a [[Submarine Tender]] (AS) at Lv 30+,

* The flagship must be a [[Submarine Tender]] (AS) at Lv 30+,

** She must not be more than {{color|orange|'''moderately damaged (中破)'''}}.

** She must not be more than {{color|orange|'''moderately damaged (中破)'''}}.

* Two among the 2nd, 3rd, and 4th ships must be [[Submarine]]s (SS) or [[Aircraft Carrying Submarine]]s (SSV),

* The 2nd and 3rd ships must be [[Submarine]]s (SS) or [[Aircraft Carrying Submarine]]s (SSV) and not [[Evacuation|evacuated]] via {{CommandFacility}} {{EquipmentLink|Fleet Command Facility|Striking Force Fleet Command Facility|text=FCF}},

** At least two SS(V) must not be more than {{color|gold|'''lightly damaged (小破)'''}},

** The 4th ship may optionally be a SS(V), but does not affect the above requirement,

** At least two SS(V) among the 2nd, 3rd, and 4th ships must not be more than {{color|gold|'''lightly damaged (小破)'''}},

** If all 3 ships are SS(V), the 2nd and 4th ones will attack; if one of the two is {{color|orange|'''moderately damaged (中破)'''}}, the 3rd one will attack instead.<ref>[https://twitter.com/yukicacoon/status/1394879812968222721]</ref>

** If all 3 ships are SS(V), the 2nd and 4th ones will attack; if one of the two is {{color|orange|'''moderately damaged (中破)'''}}, the 3rd one will attack instead.<ref>[https://twitter.com/yukicacoon/status/1394879812968222721]</ref>

* The fleet must be a single fleet or a [[Striking Force Fleet]],

* The fleet must be a single fleet or a [[Striking Force Fleet]],