Current Affairs · Science and Technology

With reference to the Zircon (Tsirkon) hypersonic cruise missile, consider the following statements: I. The missile employs a scramjet engine throughout its entire flight, enabling it to sustain hypersonic speed from launch to impact. II. Zircon’s reported maximum speed reaches up to Mach 9, which makes it extremely difficult to intercept with existing missile defense systems. III. One of its stealth features is the generation of a plasma cloud that absorbs radar waves, a phenomenon known as plasma stealth. IV. It is capable of being armed with both conventional and nuclear warheads, enhancing its strategic versatility. Which of the statements given above is/are NOT correct?