It has been reported that certain German aircraft crews stranded in the Mediterranean area have worn an unusual openwork headgear of white webbing, which is stiffened internally with steel wire so that the device can be fitted over the head and held in position (see fig. 13). Nineteen glass reflectors, each cut with 24 facets, are sewn to the webbing. These facets are intended to catch the sun's rays and reflect them to aircraft known to be friendly or to friendly forces on higher terrain.

Figure 13. German Device for Stranded Flyers.