Defense Secretary Jim Mattis addressed the Air Force Association's Air, Space, and Cyber Conference in September 2017. He resigned Thursday, citing differences in vision and approach with the president. Staff photo by Mike Tsukamoto.
Daily Report: Read the day's top news on the US Air Force, airpower, and national security issues.
The Air Force Association is closed on Monday for the Martin Luther King, Jr. holiday. The next Daily Report will be Tuesday, Jan. 22.
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