telegraph troops
responsible for the establishment of their own side’s telegraphic communications in war and for the disruption of the enemy’s telegraphic communications
en-US/ˈtɛləˌɡɹæf ˈtɹups/
en-GB/ˈtɛlɪɡɹɑːf ˈtɹuːps/
responsible for the establishment of their own side’s telegraphic communications in war and for the disruption of the enemy’s telegraphic communications