Date: 2012-10-16 07:23:31Aftermath of the September 11 attacks Transportation Security Administration Transportation in the United States Federal Air Marshal Service Janet Napolitano Airport security Northwest Airlines Flight 253 U.S. Immigration and Customs Enforcement Port security United States Department of Homeland Security Security Public safety | | Testimony of David Heyman Assistant Secretary U.S. Department of Homeland SecurityAdd to Reading ListSource URL: www.tsa.govDownload Document from Source Website File Size: 72,65 KBShare Document on Facebook
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