'Checkmate': Russia unveils new warplane with no pilot

Russia's state development corporation has announced it is working on an advanced new unmanned military jet that can soar above the clouds and cloak itself from enemy defenses, while being controlled from the safety of the ground.

In a flashy teaser released on Monday, Rostec and Russia's publicly owned aerospace giant UAC showed off renderings of the fifth-generation Sukhoi Su-75, codenamed 'Che