He attained the rank of lieutenant in the Italian Army and of commander in the Italian Navy .
During World War I , Italy joined the Allied side of the conflict , and Marconi was placed in charge of the Italian military 's radio service .
Marconi attained the rank of lieutenant in the Italian Army and of commander in the Italian Navy .
During World War I , Italy joined the Allied side of the conflict , and Marconi was placed in charge of the Italian military 's radio service .