Deutschland Class is the lowest level heavy cruiser (Instead they called CA, they called PS. Aka Panzershiffe) Kriegsmarine in game. It is require at least level 47 with KM Bridge Operator after you get M project in ship tree. It can utilize very strong heavy guns while it has good amount of secondary gun displacements (can use as AA in later game).
The drawback of this class, it has a long reload time and inaccurate in beginning of the level. Using aiming FCS is always requires if your accurate isn't goes well. Deutschland Class are much better than P Project Class in Blitzkrieg.
Class type: Panzershiffe (PS = CA)
Requirement: KM Bridge Operator (Level 47)