The submarines of the Navy, which successfully attacked the Crimean bridge, as well as the Russian "Olenegory Gorniak" landing ship and the SIG tanker are method improvement of SBU - informed the head of Ukrainian service Vasily Maluk. According to him, private companies are not active in their development. Maluk besides emphasizes in talks with journalists that both attacks on Russia's bridge on occupied Crimea were exclusively a work of Ukrainian services, no of the abroad peculiar services participated in them.
