The US is angry with it’s so-called NATO ally Turkey. They are now issuing subtle warnings not to flirt with a Russian, Chinese, Iranian alliance. They are doing so through many underhanded methods of convenience.
America has openly hit out at Turkey for signing an air defense deal with it’s greatest rival Russia. See Here:
But Turkey did not relent. In fact they doubled down on their moves to acquire weapons outside of the US NATO military industrial complex.