41758709079784_page_4

41758709079784 | page 4 | https://thedailydialectics.com/pdfs/FIOA/41758709079784/41758709079784.pdf

COMMUNICATIONS SECURITY Getilaiei, this period willbe devoted tothe subject of -communications secunity,_hoy.itcan-be-established afd ‘tiintained. Several ‘Bares-ox foun years ago there was being hammered into our ears over the radio in Washington a slogan concerned Nee automobile traffic safety.…