1、HS ACAN FFRDC OPERATED BY RAND UNDER CONTRACT WITH DHSHOMELAND SECURITYOPERATIONAL ANALYSIS CENTERRESEARCH REPORTDANIEL M.GERSTEIN,ERIN N.LEIDY Emerging Technology and Risk AnalysisThe Space Domain and Critical InfrastructureEnsuring critical access to space is an eco-nomic and national security imp

2、erative.As the December 2021 United States Space Priorities Framework states,“Space activi-ties are essential to our way of life.They advance our understanding of the Earth,the universe,and humanity;enable U.S.national security;create good jobs and economic opportunity;enhance our health and well-be

3、ing;and inspire us to pursue our dreams.Space capabilities provide critical data,products,and services that drive innovation in the United States and around the world.Access to and use of space is a vital national interest.”1Given the U.S.Department of Homeland Securitys(DHSs)broad homeland security

4、 responsibilities and authority as the largest law enforcement agency in the U.S.government,the department has important equities for a wide variety of activities that depend on assured access to space,particularly in or related to the 16 criti-cal infrastructure sectors.As described in“DHS Space Po

5、licy,”these responsibilities and authority extend to assuring future access to vital space assets for accomplishing DHS missions in addition to protecting and supporting the growth of unfet-tered commercial access to space.2 This requires collaboration across a broad stakeholder commu-nity that incl

6、udes the U.S.interagency,industry,the private sector,allies,and partners.Maintaining this access and potential increases in the use of the space domain come at a time when space has become increasingly“congested,contested,and competitive.”3 Over the period since the phrase was first coined in the Ob