Space and Aerospace

With the advent of atmospheric weapons and the creation of the Space Force as the newest branch of the U.S. military, space has never been more crucial to national security. CSIS examines the technological, budgetary, and policy issues inherent to the space domain.

Photo: Liza/Adobe Stock

Photo: Liza/Adobe Stock

When to Use (and Not Use) “As a Service” for Government Space Requirements

Instead of buying a piece of equipment, which the government then owns and operates, the government is increasingly turning to “as-a-service” models for buying things from space. But how should the government decide between a service model or a traditional one?

Report by Clayton Swope — January 22, 2026

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Kari Bingen

Kari A. Bingen

Director, Aerospace Security Project and Senior Fellow, Defense and Security Department
Tom Karako

Tom Karako

Director, Missile Defense Project and Senior Fellow, Defense and Security Department
Clayton Swope

Clayton Swope

Deputy Director, Aerospace Security Project and Senior Fellow, Defense and Security Department
Benjamin Jensen

Benjamin Jensen

Director, Futures Lab and Senior Fellow, Defense and Security Department
Lauryn Williams

Lauryn Williams

Deputy Director and Senior Fellow, Strategic Technologies Program

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Air and Space Domain Lessons from Russia-Ukraine: Part One | Conflict in Focus

The air and space domains have been critical in the Russia-Ukraine conflict. This week will feature a special two-part episode in the 'Conflict in Focus' series focused on the Air and Space Domain, where experts will discuss the role of autonomous vehicles in warfare and how space is shaping modern conflict.

Event — March 20, 2025

Why Should the United States Prioritize Mars?

The United States looks set to elevate the priority of Mars as part of its space exploration plans. Such a move may prompt budgetary trade-offs at NASA with impacts on other space initiatives. Is Mars worth it?

Critical Questions by Clayton Swope — January 23, 2025