0. announced by president putin in march, it was lauded as a new generation of unstoppable powered cruise missile. they claim it had unlimited change and can fly around the world multiple times before approaching its target from an unpredictable anger. technology is secret, yet most analysts believe it uses a nuclear reactor to heat air. project blplu doe was abandonedn the 60s due to the danger it leaves behind. >> it's not something that could be deployed in anything other than a full scale nuclear war. at the same time, it's belching out radioactive plumes behind it. >> it shows an apparent launch