1、Department of Defense DIRECTIVE NUMBER 3025.18 December 29,2010 Incorporating Change 2,March 19,2018 USD(P)SUBJECT:Defense Support of Civil Authorities(DSCA)References:See Enclosure 1 1.PURPOSE.This Directive:a.Establishes policy and assigns responsibilities for DSCA.b.Incorporates and cancels DoD D
2、irective(DoDD)3025.1 and DoDD 3025.15 (References(a)and(b).c.Provides guidance for implementing the regulations(in DoD Instruction(DoDI)3025.21(Reference(c)required by section 275 of title 10,United States Code(U.S.C.),(Reference(d)regarding military support of civilian law enforcement.d.Provides gu
3、idance for the execution and oversight of DSCA when requested by civil authorities or by qualifying entities and approved by the appropriate DoD official,or as directed by the President,within the United States,including the District of Columbia,the Commonwealth of Puerto Rico,the U.S.Virgin Islands
4、,Guam,American Samoa,the Commonwealth of the Northern Mariana Islands,and any territory or possession of the United States or any political subdivision thereof.e.Authorizes immediate response authority for providing DSCA,when requested.f.Authorizes emergency authority for the use of military force,u