FY 2027 Defense Space Budget: Dramatic and Targeted Growth

Summary: This Aerospace Corporation budget brief analyzes the proposed FY 2027 U.S. Space Force budget for defense planners, congressional staff, and space policy leaders. It identifies $71.3 billion in proposed funding, compared with $32 billion in FY 2026, a 120 percent increase.

Readers will learn how base appropriations and reconciliation funding combine, which programs drive the request, and how Golden Dome funding is counted separately. The brief identifies $59.2 billion in base funding and $12.1 billion in proposed reconciliation funds, plus $4.5 billion for separate Golden Dome space projects. It explains spending priorities for classified programs, missile warning, moving-target indication, and command and control. The Aerospace Corporation warns that the “eventual FY 2027 budget remains highly uncertain.”