Kash Patel In as Chief of Staff

Jen Stewart was Chief of Staff to to Mark Esper who resigned/fired a few days prior- https://www.qnotables.com/post/def-sec-mark-esper-submits-resignation-letter

https://www.executivegov.com/2020/01/jen-stewart-to-serve-as-chief-of-staff-to-defense-secretary-mark-esper/