The memo marks Hegseth's latest change to military higher education. In it, he argued that "tenure often leads to academic stagnation, faculty complacency, and institutional inability to adapt to emerging needs."

Hegseth also wrote that tenure "contributes to curriculum that drifts from the mission of educating our warfighters to the research priorities of the tenured academics." He said his goal is to "address the structural mechanisms that have allowed civilian academic norms to dilute our focus."

The order affects civilian faculty at some of the country's most prominent military academies, institutions that have long used tenure to attract and retain scholars the same way civilian universities do. Cutting off that path changes the deal for professors weighing a career teaching future officers. It raises a real question about who will choose to teach at these academies going forward.

Hegseth framed the move as sharpening the academies' focus on training officers rather than chasing academic research, leaving the military's most storied classrooms to figure out whether scholars will still sign on without the job security tenure once provided.