Transportation security TSA has made progress in implementing the Transportation Worker Identification Credential Program, but challenges remain : testimony before the Committee on Commerce, Science, and Transportation, U.S. Senate /Format: [electronic resource] :
Author: Rabkin, Norman J.
Publisher: [Washington, D.C.] : U.S. Govt. Accountability Office,
Date: [2007] This title can be found in 1 Iowa libraries.
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