TY - DATA AU - Reese,Shawn ED - Library of Congress. TI - Homeland Security advisory system: possible issues for Congressional oversight T2 - Report / Congressional Research Service PY - 2020///- CY - [Washington, D.C.] PB - Congressional Research Service KW - Civil defense warning systems KW - United States KW - Emergency management KW - Terrorism KW - Prevention KW - Government policy N1 - The CRS report home page provides access to all versions published since 2018 in accordance with P.L. 115-141; earliest version dated 2008; GPO Cataloging Record Distribution Program (CRDP); Report includes bibliographical references UR - https://purl.fdlp.gov/GPO/ ER -