Defense Secretary Pete Hegseth has initiated a sweeping effort to overhaul the U.S. military’s leadership structure and modernization processes, challenging longstanding traditions in promotions, training, and technology procurement. Speaking Wednesday at the Marine base in Quantico, Virginia, Hegseth outlined a set of six reform proposals aimed at transforming what he described as a bureaucratic and outdated Pentagon.

Central to Hegseth’s agenda is a sharp reduction in the ranks of senior officers. Since assuming his post, he has removed 26 generals and admirals and delayed or blocked promotions for approximately 55 others, according to congressional officials familiar with defense oversight. Hegseth stated Wednesday that he aims for a total 20% reduction in general officer slots across the Department of Defense. This move has drawn bipartisan criticism; Sen. Jack Reed (D-Rhode Island), the top Democrat on the Senate Armed Services Committee, warned that such actions risk undermining a merit-based promotion system and could discourage candid military advice. Sen. Thom Tillis (R-North Carolina), breaking from Republican reticence, described the personnel changes as "arbitrary and capricious."

Hegseth’s purge has notably affected some of the military’s most experienced combat veterans, including officers from historically underrepresented groups. Critics contend that the interference with promotion boards disrupts long-established processes and breeds uncertainty among career officers. The Senate Armed Services Committee’s draft National Defense Authorization Act for fiscal 2027 includes provisions requiring written justification and congressional notification before delaying or blocking officer promotions, reflecting congressional concern over the Pentagon’s personnel decisions.

While his approach to military leadership has faced widespread pushback, some of Hegseth’s proposals focus on addressing entrenched Pentagon bureaucracies and accelerating technological innovation. A key initiative is the creation of an Autonomous Warfare Command ("Autowarcom") designed to coordinate drone operations across air, sea, and land domains. This command would seek to streamline innovation timelines under a project named "Project Agincourt," referencing the historic shift in warfare brought about by the longbow.

Hegseth also announced "Project Meridian," a 120-day review on the future of warfare in the age of artificial intelligence and autonomy. This study will involve defense-tech figures Elon Musk and Palmer Luckey, and former House Speaker Newt Gingrich, aiming to inject outsider perspectives into Pentagon modernization.

Additional proposals include enhancing the resilience of supply chains, energy grids, and strategic reserves at key defense installations—a response to perceived threats from China targeting critical infrastructure. Hegseth labeled this effort "Fortress America," focusing on safeguarding domestic military assets.

However, some proposed reforms raise questions about their potential impact. Hegseth’s plan to solicit bids from states for a new military base, aimed at hosting thousands of troops, has been described as politicizing the defense budget. Further, his initiatives on military education and religion have drawn criticism. He advocates limiting the role of elite civilian academics at service academies, favoring select institutions—including Liberty University and Hillsdale College—over traditional partnerships with top universities like Harvard and MIT. Additionally, he proposes expanding the military’s Office of Religious Affairs, a move some view as contradictory to efforts to build a future-focused, technologically advanced force.

Hegseth’s personnel reforms are overseen by officials such as Anthony Tata, a retired brigadier general now serving as undersecretary for personnel and readiness, and Lt. Col. Stuart Scheller, who was previously reprimanded for publicly criticizing military leadership. The latter has been tasked with developing a new evaluation system intended to influence future promotion decisions, a development some retired senior officers fear signals a "de-professionalization" of the military.

Supporting Hegseth’s approach is a network of activists and watchdog organizations that monitor officers for associations with diversity initiatives or past leadership, frequently targeting Black and female officers for scrutiny.

Hegseth’s campaign challenges the Pentagon’s traditional culture, which has long emphasized judgment and leadership skills forged in combat. His critics argue that while modernization is necessary, the aggressive personnel shakeup and ideological interventions risk sowing division and undermining the institution he aims to strengthen.