太空战场成美军焦点：新武器与战略布局曝光

CRS INSIGHT Prepared for Members and Committees of Congress INSIGHTINSIGHTi i U.S.Counterspace Capabilities September 11,2024 What Is Counterspace?Counterspace operations can be either offensive or defensive.Offensive counterspace operations aim to deceive an adversary,disrupt the use of a space system(such as a satellite),temporarily deny the use of a space system,degrade or impair an adversarys space system,or permanently eliminate a space system.Defensive counterspace operations protect space assets from attack,interference,or other hazards.The military uses counterspace operations to gain space superiority,which is the ability to use space for U.S.military purposes or deny an adversarys use of space,the area beyond 100 km above sea level.Background The United States government and private entities have long operated military and civilian spacecraft,including the Global Positioning System(GPS)and the NASA-led International Space Station,largely without the threat of disruption or attack by other nations.As adversary space capabilities have improved,U.S.policymakers have discussed how best to protect U.S.interests in space and from space-based threats,including hostile action as