BrahMos is a supersonic cruise missile that can belaunched from submarines, ships, aircraft or land. It is ajoint venture between Republic of India's Defence Researchand Development Organisation (DRDO) andRussian Federation's NPO Mashinostroeyenia whohave together formed BrahMos Aerospace PrivateLimited.It is the world's fastest cruise missile in operation.The missile travels at speeds of Mach 2.8 to 3.0.The land-launched and ship-launched versions are alreadyin service, with the air and submarine-launchedversions currently in the testing phase