The military servicemen of the Land Forces daily demonstrate patriotism and professionalism to counter the Russian aggressor. This is stated in the congratulatory message of President Petro Poroshenko addressed to soldiers, workers and veterans of the Land Force on occasion of the Day of the Land Forces of Ukraine. This is a holiday of courageous and strong people in uniform, representatives of mechanized and tank troops, missile troops and artillery, army aviation units reconnaissance, air defense and other special forces which are connected to make the indestructible monolith and are considered the main striking force of our army, he said.