Pioneer Kaserne and Raffler Kaserne, Regensburg, 2005 (Source: Michael Legner, FlaRakGrp 34, Germany) Michael reports that, even 40 years after the Army vacated the facilities, there are still signs of their former presence visible - several walls and doors of work shops on Pioneer Kaserne are still adorned with US markings. Under German management, Raffler Kaserne was renamed as Leopoldkaserne.