The firing of the NSA chief and his deputy. What do we know about the background of the Trump administration's decision?

According to [a Fox News article](https://www.foxnews.com/politics/national-security-agency-director-gen-haugh-fired-civilian-deputy-director-reassigned-report), Gen. **Timothy Haugh — who besides serves as head of U.S. Cyber Command — has been relieved of his position**, and his deputy, Wendy Noble, has been transferred to another office in the Pentagon.