 | 2010 |
 | 2006 |
 |  | The State of Interoperability: Perspectives on Federal Coordination of Grants, Standards, and Technology Statement of Dereck Orr, Program Manager, Public Safety Communications Systems, NIST, before the Subcommittee on Emergency Preparedness, Science, and Technology, Committee on Homeland Security, House of Representatives, April 25, 2006
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 | 2005 |
 |  | Communications in a Disaster Statement of Dereck Orr, Program Manager, Public Safety Communications Standards, Electronics and Electrical Engineering Laboratory, NIST, before the Committee on Commerce, Science, and Transportation, United States Senate, September 29, 2005 |
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