Like in the Black Sea, Russian warplanes against a US drone and unlike North Korea's little brothers that only both bark. Russia and China are subject to the power of the military caste that supports the despots that "rule" and that is the danger: an atrocious military action can be caused by any deranged russian or chinese. The US has responded by sending a superior capacity drone, what will happen? we will know but in the Chinese case, its repeated bullying bodes nothing good