Most Expensive Defense Sectors: Aerospace, Navy, and Nuclear Arsenals

The United States government is seeking an additional $67 billion in funding for military operations and defense sectors, according to reporting by RTBF Actus on July 22, 2026. The request focuses on high-cost areas including aerospace, the U.S. Navy, and the national nuclear arsenal.

The funding request comes amid significant public opposition to the ongoing military engagement, which RTBF Actus characterizes as the most unpopular war in the history of the United States.

High-Cost Defense Sectors Driving Budget Increases

The budgetary increase is driven by specific high-expense sectors within the Department of Defense. Romuald, cited by RTBF Actus, identified the most expensive areas as aerospace, the Navy, and the nuclear arsenal.

These three sectors represent the primary pillars of U.S. power projection and strategic deterrence. The aerospace sector encompasses both aircraft procurement and the maintenance of air superiority, while the Navy manages the fleet of aircraft carriers and submarines required for global maritime presence.

The nuclear arsenal requires continuous modernization to maintain the U.S. nuclear triad, consisting of land-based missiles, submarine-launched missiles, and strategic bombers. The $67 billion request aims to address the rising costs associated with these technical and operational requirements.

Public Opposition and Strategic Costs

The request for additional funds occurs as the U.S. faces a crisis of public support for its current military operations. RTBF Actus reports that the conflict has reached a level of unpopularity that distinguishes it from previous American military interventions.

The financial burden of maintaining these high-cost sectors, combined with the political cost of an unpopular conflict, creates a tension between the operational needs of the military and the domestic political climate in the United States.

The $67 billion figure represents a substantial increase over baseline budgets, highlighting the escalating costs of modern warfare and the maintenance of a global military footprint.