Abstract
Cultural and scientific personalities from the army, military experts and creators of the doctrine have collaborated with the radio from the beginnings of radiophony, the educational role of this new, persuasive communication channel being evident not only for Romania or the Romanian army but also for all the countries that had radiophony services. This happens in the context of the end of the crisis and the start of economic and social development, promoting culture, creating a solid class of peasants with a certain social status, in villages, together with the priest, teacher and gendarme, increasing of the number of subscriptions and development of the Romanian radiophony.
The radio has been used as a means of persuasion of the population for the war effort through broadcasts intended for pre-military boys, then for the entire population or soldiers. Operational means of connecting military and their families, an effective tool in maintaining a good morale of the troops and a satisfactory state of mind of the population with relatives in theatres of operations, Poșta militară radio has proven effectiveness through millions of letters sent along its four years of existence.