Can someone give me a description of SHIII?

[ERPP8]

Originally Posted by jimbuna

The Type XXI is a little sluggish at slow ahead whilst on the surface but that is understandable because like all modern boats these days, she was designed to travel predominantly underwater.

Below is a list of sub types but the Type XXIII is a separate mod.

SSTypeIIA=Type IIA
SSTypeIIB=Type IIB
SSTypeIID=Type IID
SSTypeVIIB=Type VIIB
SSTypeVIIC=Type VIIC
SSTypeVIIC/41=Type VIIC
SSTypeIXB=Type IXB
Resupply Uboat=Type IXB
SSTypeIXC=Type IXC
SSTypeIXD2=Type IXD2
SSTypeXIV=Type XIV
SSTypeXXI=Type XXI
SSTypeXXIII=Type XXIII
SSBalao=Balao class
SSGato=Gato class
SClass=S class
TClass=T class
Class600=Adua class
Scuka=Shchuka class

Which ones are available for the game?