7797th Signal Group, Hanau (Source: Jerry Dorcas/US Army photo) Caption on back of photo reads: T/3 Robert C. Horner supervises while T/5 Albert S. Dorcas repairs a 16 mm movie projector in the Projector and Photo Equipment Repair Shop of the 192nd Signal Repair Shop, Hanau Signal Depot, Hanau, Germany. The men of the 192nd repair and replace all types of signal equipment such as radios, telephones, photographic equipment and many others for re-use throughout the European Command. (Photo taken on 21 October 1947)