Food irradiation is a process of exposing food to ionising radiation such as gamma rays emitted from the radioisotopes 60Co and 137Cs. or high energy electrons and X-rays produced by machine sources. The use of ionising radiation to destroy harmful biological organisms in food is considered a safe. well proven process that has found many applications. https://www.spidertattooz.com/Army-Crest-13Th-Signal-Battalion-Voice-of-Command/