On board the "Radiant."
It wasn't the battle report of that submarine that woke Cunningham up, but a telegram from the "Fenjin."
To be precise, it was a Bulan destroyer that was incorporated into the 61st Special Mixed Fleet that sent the message.
Because the 61st Special Mixed Fleet was to operate clandestinely, Cunningham had dispatched a destroyer to join them after they had rendezvoused in the South Sunset Ocean.
According to the agreement, before commencement of hostilities, this destroyer would relay the telegrams.
This arrangement involved military codes.
Since a Joint Headquarter had not yet been established, both parties were reticent about military codes, or rather, neither wished to be disadvantaged.
Sending the destroyer meant there was no need to hand over the codebook to the Newland Fleet.
The content was extensive, and as Cunningham returned to his command post, the Communication Advisor was still busy.
The critical point was this one.