Not discouraging more contributions, but fyi, there have been a few related posts that you may find interesting

• What types of war crimes were committed by invading allied soldiers in Europe in WWII? - featuring /u/coinsinmyrocket

• Rape as a routine weapon of war by British/American soldiers? - featuring /u/kwgoodlet

• Rape of German women during and after WW2 - featuring /u/blueblarg

• During the occupation by US forces, Japan set up brothels to stem the flow of gang rapes. Was anything similar setup in Germany and if not, was there a greater incidence of sexual violence against German women by US troops? - featuring /u/8410215

• How wide spread was rape by American soldiers of Japanese women during the American occupation of Japan? - featuring /u/ParkSungJun

These posts have been archived, so if you have follow-up questions, ask them here; notify the relevant user by tagging their username