[yogybär]

b) Concerning operational tasks, afaik from the Motorbuchverlag-book:
In summer 1944, they flew "strategic" night bombruns deep into soviet territory to attack railways.
After the soviet success in Romania, they flew more or less 100% transport jobs, especially to Budapest and later Breslau.

This is clear due to the "H-20" subtype, which was a transport-configuration