Defense Budget and Acquisition

The U.S. Army’s force structure remains steady even though its budget declined by $3.6 billion dollars. The Army does this by cutting modernization and readiness. In the long term, the Army’s force structure is at risk because of the strategic focus on China.

CSIS produces a series of papers on US military forces, including their composition, new initiatives, long-term trends, and challenges. In FY 2022, military forces are “peering into the abyss,” as constrained budgets and strategy changes push the services to cut forces.

Remotely crewed systems play an important role for ISR in contested spaces. This brief examines DoD's investment, comparing budget and strategy. The Air Force led early in remotely crewed systems, but has reduced its investment while spending on maritime systems increased.

While today’s military is near its smallest size since the end of World War II by almost all measures, personnel costs are at historically high levels. This CSIS report examines trends in military personnel costs and key drivers of growth over the past several decades.

An integrated battle network has been a major focus area for the DoD and Congress for years. This brief examines the importance of battle networks to modern military operations and presents a framework of five functional elements that make up a battle network.

CSIS’s Mark Cancian analyzes the U.S. military forces in FY 2021, their composition, new initiatives, long-term trends, and challenges, as the United States’ military forces likely entered their last year of growth.