- 2021 — SecDef
Appointed by Biden. - 2025 — Retained by Trump
Continued as SecDef; Iran focus. - 2026-02 — Operation Epic Fury
Oversaw US military in joint strikes on Iran.
1. Origins & Formation
Career Army officer; rose to four-star general; commanded CENTCOM and oversaw US operations in Iraq, Syria, and the broader Middle East. Brought institutional continuity and alliance management to the Pentagon.
2. Rise to Influence
Retired from Army; appointed SecDef by Biden in 2021; retained by Trump in 2025. One of few Biden-era holdovers; valued for experience and military credibility during the Iran crisis.
3. Worldview & Inner Logic
Fear driver: Regional instability, alliance fraying, miscalculation. Belief driver: Deterrence through credible force; coalition warfare; civilian control of the military. Identity driver: Apolitical professional; institutionalist.
4. Exercise of Power
Oversees the Pentagon; coordinates with CENTCOM and regional commanders; manages US force posture in the Gulf and Eastern Mediterranean. Interfaces with Israeli Defence Minister and IDF on joint operations.
5. Role in 2025-2026
Oversaw US military contribution to the February 2026 campaign against Iran (Operation Epic Fury). Led US participation in ceasefire diplomacy during the Twelve-Day War. Retained by Trump for continuity and Iran focus.