btw, the BrahMos 2 Indian-Russian cruise missile coming in 2017 (well, of course there is always a big &quot;if&quot;) is scramjet powered and expected to fly at Mach 7. <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;BrahMos-II_%28missile%29" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;BrahMos-II_%28missile%29</a>