Unlike the US and China, who have concentrated on developing boost-glide vehicles, Russia and India are designing the so-called "hypersonic cruise missiles." While a boost-glide air vehicle first lift to an extreme altitude and then coast down to a target re-entering the atmosphere, cruise missiles travel on a non-ballistic, extremely low altitude trajectory evading early warning radar systems.
A Russia-India joint cruise missile research group will develop the world's first hypersonic cruise missile by 2023, the company's CEO was quoted by the RIA Novosti news agency as saying Wednesday.
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