 Complete the following phrase:  The military situation demanded the deployment of large numbers of marines on land fronts, so the Naval Infantry contributed to the defense of Moscow, Leningrad, Odessa, Sevastopol, Stalingrad, Novorossiysk, Kerch. The Naval Infantry conducted over 114 landings, most of which were carried out by platoons and companies. In general, however, Naval Infantry served as regular infantry, without any amphibious training. They conducted four major operations: two during the Battle of the Kerch Peninsula, one during the 