Why in news?

• Russia has claimed to have used Kinzhal missiles for the first time in Ukraine.
• Kinzhal, which means dagger, is an air-launched hypersonic missile with a reported range of 1,500-2,000km. It can carry nuclear payload of 480 kg.
• Hypersonic describes any speed faster than five times that of sound.
• Hypersonic weapons are normally defined as fast, low-flying, and highly maneuverable weapons designed to be too quick and agile for traditional missile defence systems to detect in time.