Personnel

Eric Chewning, the chief of staff to Defense Secretary Mark Esper, will step down this month, the latest in a series of high-profile officials to leave the Pentagon. Jen Stewart, currently the minority staff director for the House Armed Services Committee, will take over the ...
Brig. Gen. Douglas Coppinger, US Cyber Command's director of intelligence, has been chosen to serve as deputy chief of the National Security Agency's Central Security Service, the Air Force announced Jan. 2. Brig. Gen. David Miller Jr., who currently leads plans, programs, and financial management ...
Defense Advanced Research Projects Agency Director Steven Walker is stepping down from his position and heading to industry, the organization announced Dec. 17. Walker has led the agency since November 2017, having previously served as the agency’s acting director and deputy director.