There was Japanese Sub-Chaser from No.1 to 63.
There were 4 kinds of standard models of a ship in it.(No.1, No.3, No.4, No.13)
The number of 4 kind is a name ship, respectively.
The model of this MODS is No.13 mass-produced most.
Since I am poor at English, my naming may be inaccurate.
What kind of name is suitable? "sub-chaser type No.13", "No.13 class sub-chaser", or other names.
Incidentally, when "Kaiboukan (Escort)" is roughly divided, they is 4 classes.
It is D from Type A.
A class is divided into "Shimusyu" and the "Etorofu" class.
B class is divided into the "Mikura", "Ukuru", and "Niburi" class.
Now, "Kaiboukan" of C class is under manufacture.
