RAD 'Reichsarbeitsdienst' (labour service) personnel were often employed as airfield 'guards'. Here an 'Arbeitsmann' on airfield guard duty somewhere in the West from an ECPA-D PK photo 'reportage' on the activities of the RAD. (from the DAA files). The second image shows a close-up of the 'Dienststellenabzeichen' on the left upper arm.