What is the fine-grained topic of the following text: “Since the time of their creation, the Russian Tu-160 strategic missile-carrying bombers have had even no comparable analogues in the United States or in any other NATO member state by the speed they develop, the weapon payload, the operating range and inaccessibility for any air defense capabilities,” Konashenkov said. Only return the topic.
The capabilities of Russian Tu-160 strategic missile-carrying bombers.