Dozens of issues will compete for his attention, including developing the Pentagon’s massive budget, decisions about aid to Ukraine, support for the ceasefire in Gaza and troop deployments in the Middle East.

When Defense Secretary Pete Hegseth starts his first official day on Monday morning, he will face a daunting array of issues to tackle — from global conflicts and border security to administrative tasks.

The new defense secretary’s goals run counter to the military’s apolitical tradition and efforts to build a force that mirrors America.