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This page lists the most recent reports and testimonies related to transportation security issued since October 2000 organized in three categories: aviation security, maritime security, and surface transportation security.

Aviation Security

Showing 87 items.

Surface Transportation Security

TSA Has Taken Actions to Manage Risk, Improve Coordination, and Measure Performance, but Additional Actions Would Enhance Its Efforts
GAO-10-650T, Apr 21, 2010

Government Operations

GAO Review of the Department of Homeland Security's Certification of the Secure Flight Program--Cost and Schedule Estimates
GAO-10-535R, Apr 5, 2010

Aviation Security

TSA Is Increasing Procurement and Deployment of the Advanced Imaging Technology, but Challenges to This Effort and Other Areas of Aviation Security Remain
GAO-10-484T, Mar 17, 2010

Homeland Security

Better Use of Terrorist Watchlist Information and Improvements in Deployment of Passenger Screening Checkpoint Technologies Could Further Strengthen Security
GAO-10-401T, Jan 27, 2010

Homeland Security

DHS's Progress and Challenges in Key Areas of Maritime, Aviation, and Cybersecurity
GAO-10-106, Dec 2, 2009

Aviation Security

DHS and TSA Have Researched, Developed, and Begun Deploying Passenger Checkpoint Screening Technologies, but Continue to Face Challenges
GAO-10-128, Oct 7, 2009

Aviation Security

A National Strategy and Other Actions Would Strengthen TSA's Efforts to Secure Commercial Airport Perimeters and Access Controls
GAO-09-399, Sep 30, 2009

Federal Air Marshal Service

Actions Taken to Fulfill Core Mission and Address Workforce Issues
GAO-09-903T, Jul 23, 2009

International Aviation

Federal Efforts Help Address Safety Challenges in Africa, but Could Benefit from Reassessment and Better Coordination
GAO-09-498, Jun 16, 2009

Aviation Security

TSA Has Completed Key Activities Associated with Implementing Secure Flight, but Additional Actions Are Needed to Mitigate Risks
GAO-09-292, May 13, 2009

Aviation Security

Preliminary Observations on TSA's Progress and Challenges in Meeting the Statutory Mandate for Screening Air Cargo on Passenger Aircraft
GAO-09-422T, Mar 18, 2009

Aviation Security

Status of Transportation Security Inspector Workforce
GAO-09-123R, Feb 6, 2009

Aviation Security

Federal Air Marshal Service Has Taken Actions to Fulfill Its Core Mission and Address Workforce Issues, but Additional Actions Are Needed to Improve Workforce Survey
GAO-09-273, Jan 14, 2009

Aviation Security

TSA's Cost and Performance Study of Private-Sector Airport Screening
GAO-09-27R, Jan 9, 2009

Transportation

Transportation Security Administration's Suspension of the Butane Lighter Ban Onboard Commercial Aircraft
GAO-09-177R, Dec 5, 2008

Responses to Questions for the Record; September 2008 Hearing on the Next Generation Air Transportation System

Status and Issues
GAO-09-130R, Oct 20, 2008

Aviation Security

TSA Is Enhancing Its Oversight of Air Carrier Efforts to Identify Passengers on the No Fly and Selectee Lists, but Expects Ultimate Solution to Be Implementation of Secure Flight
GAO-08-992, Sep 9, 2008

Aviation Security

TSA Is Enhancing Its Oversight of Air Carrier Efforts to Screen Passengers against Terrorist Watch-List Records, but Expects Ultimate Solution to Be Implementation of Secure Flight
GAO-08-1136T, Sep 9, 2008

Transportation

Review of the Transportation Security Administration's Air Cargo Screening Exemptions Report
GAO-08-1055R, Aug 15, 2008

Transportation Security

TSA Has Developed a Risk-Based Covert Testing Program, but Could Better Mitigate Aviation Security Vulnerabilities Identified Through Covert Tests
GAO-08-958, Aug 8, 2008

Aviation Security

Transportation Security Administration Has Strengthened Planning to Guide Investments in Key Aviation Security Programs, but More Work Remains
GAO-08-1024T, Jul 24, 2008

Aviation Security

Transportation Security Administration May Face Resource and Other Challenges in Developing a System to Screen All Cargo Transported on Passenger Aircraft
GAO-08-959T, Jul 15, 2008

Transportation Security

Transportation Security Administration Has Strengthened Planning to Guide Investments in Key Aviation and Surface Transportation Security Programs, but More Work Remains
GAO-08-487T, May 13, 2008

Transportation Security

Efforts to Strengthen Aviation and Surface Transportation Security Continue to Progress, but More Work Remains
GAO-08-651T, Apr 15, 2008

Aviation Security

Transportation Security Administration Has Strengthened Planning to Guide Investments in Key Aviation Security Programs, but More Work Remains
GAO-08-456T, Feb 28, 2008

Aviation Security

Vulnerabilities Exposed Through Covert Testing of TSA's Passenger Screening Process
GAO-08-48T, Nov 15, 2007

Aviation Security

DHS Has Made Progress in Securing the Commercial Aviation System, but Key Challenges Remain
GAO-08-139T, Oct 16, 2007

Transportation Security

Efforts to Strengthen Aviation and Surface Transportation Security are Under Way, but Challenges Remain
GAO-08-140T, Oct 16, 2007

Aviation Security

Federal Coordination for Responding to In-flight Security Threats Has Matured, but Procedures Can Be Strengthened
GAO-07-891R, Jul 31, 2007

Aviation Security

Efforts to Strengthen International Passenger Prescreening are Under Way, but Planning and Implementation Issues Remain
GAO-07-346, May 16, 2007

Aviation Security

Foreign Airport Assessments and Air Carrier Inspections Help Enhance Security, but Oversight of These Efforts Can Be Strengthened
GAO-07-729, May 11, 2007

Aviation Security

TSA's Change to Its Prohibited Items List Has Not Resulted in Any Reported Security Incidents, but the Impact of the Change on Screening Operations Is Inconclusive
GAO-07-623R, Apr 25, 2007

Aviation Security

Risk, Experience, and Customer Concerns Drive Changes to Airline Passenger Screening Procedures, but Evaluation and Documentation of Proposed Changes Could Be Improved
GAO-07-634, Apr 16, 2007

Aviation Security

Cost Estimates Related to TSA Funding of Checked Baggage Screening Systems at Los Angeles and Ontario Airports
GAO-07-445, Mar 30, 2007

Aviation Security

TSA's Staffing Allocation Model Is Useful for Allocating Staff among Airports, but Its Assumptions Should Be Systematically Reassessed
GAO-07-299, Feb 28, 2007

Aviation Security

Progress Made in Systematic Planning to Guide Key Investment Decisions, but More Work Remains
GAO-07-448T, Feb 13, 2007

Homeland Security

Progress Has Been Made to Address the Vulnerabilities Exposed by 9/11, but Continued Federal Action Is Needed to Further Mitigate Security Risks
GAO-07-375, Jan 24, 2007

Aviation Security

TSA Has Strengthened Efforts to Plan for the Optimal Deployment of Checked Baggage Screening Systems, but Funding Uncertainties Remain
GAO-06-875T, Jun 29, 2006

Aviation Security

Management Challenges Remain for the Transportation Security Administration's Secure Flight Program
GAO-06-864T, Jun 14, 2006

Aviation Security

Further Study of Safety and Effectiveness and Better Management Controls Needed If Air Carriers Resume Interest in Deploying Less-than-Lethal Weapons
GAO-06-475, May 26, 2006

Aviation Security

Transportation Security Administration Has Made Progress in Managing a Federal Security Workforce and Ensuring Security at U.S. Airports, but Challenges Remain
GAO-06-597T, Apr 4, 2006

Aviation Security

Enhancements Made in Passenger and Checked Baggage Screening, but Challenges Remain
GAO-06-371T, Apr 4, 2006

Aviation Security

Progress Made to Set Up Program Using Private-Sector Airport Screeners, but More Work Remains
GAO-06-166, Mar 31, 2006

Aviation Security

Significant Management Challenges May Adversely Affect Implementation of the Transportation Security Administration's Secure Flight Program
GAO-06-374T, Feb 9, 2006

Aviation Security

Federal Air Marshal Service Could Benefit from Improved Planning and Controls
GAO-06-203, Nov 28, 2005

Aviation Security

Federal Action Needed to Strengthen Domestic Air Cargo Security
GAO-06-76, Oct 17, 2005

Transportation Security Administration

More Clarity on the Authority of Federal Security Directors Is Needed
GAO-05-935, Sep 23, 2005

Aviation Security

Flight and Cabin Crew Member Security Training Strengthened, but Better Planning and Internal Controls Needed
GAO-05-781, Sep 6, 2005

Aviation Safety

Oversight of Foreign Code-Share Safety Program Should Be Strengthened
GAO-05-930, Aug 5, 2005

Aviation Security

Transportation Security Administration Did Not Fully Disclose Uses of Personal Information During Secure Flight Program Testing in Initial Privacy Notes, but Has Recently Taken Steps to More Fully Inform the Public
GAO-05-864R, Jul 22, 2005

Homeland Security

Agency Resources Address Violations of Restricted Airspace, but Management Improvements Are Needed
GAO-05-928T, Jul 21, 2005

Aviation Security

Better Planning Needed to Optimize Deployment of Checked Baggage Screening Systems
GAO-05-896T, Jul 13, 2005

Taser Weapons

Use of Tasers by Selected Law Enforcement Agencies
GAO-05-464, May 26, 2005

Aviation Security

Screener Training and Performance Measurement Strengthened, but More Work Remains
GAO-05-457, May 2, 2005

Aviation Fees

Review of Air Carriers' Year 2000 Passenger and Property Screening Costs
GAO-05-558, Apr 18, 2005

Aviation Security

Secure Flight Development and Testing Under Way, but Risks Should Be Managed as System Is Further Developed
GAO-05-356, Mar 28, 2005

Aviation Security

Systematic Planning Needed to Optimize the Deployment of Checked Baggage Screening Systems
GAO-05-365, Mar 15, 2005

Aviation Security

Measures for Testing the Impact of Using Commercial Data for the Secure Flight Program
GAO-05-324, Feb 23, 2005

Transportation Security

Systematic Planning Needed to Optimize Resources
GAO-05-357T, Feb 15, 2005

Aviation Security

Preliminary Observations on TSA's Progress to Allow Airports to Use Private Passenger and Baggage Screening Services
GAO-05-126, Nov 19, 2004

Aviation Security

Further Steps Needed to Strengthen the Security of Commercial Airport Perimeters and Access Controls
GAO-04-728, Jun 4, 2004

Transportation Security Administration

High-Level Attention Needed to Strengthen Acquisition Function
GAO-04-544, May 28, 2004

Aviation Security

Challenges in Using Biometric Technologies
GAO-04-785T, May 19, 2004

Aviation Security

Private Screening Contractors Have Little Flexibility to Implement Innovative Approaches
GAO-04-505T, Apr 22, 2004

Aviation Security

Improvement still Needed in Federal Aviation Security Efforts
GAO-04-592T, Mar 30, 2004

Aviation Security

Challenges Delay Implementation of Computer-Assisted Passenger Prescreening System
GAO-04-504T, Mar 17, 2004

Aviation Security

Factors Could Limit the Effectiveness of the Transportation Security Administration's Efforts to Secure Aerial Advertising Operations
GAO-04-499R, Mar 5, 2004

Aviation Security

Computer-Assisted Passenger Prescreening System Faces Significant Implementation Challenges
GAO-04-385, Feb 13, 2004

Aviation Security

Challenges Exist in Stabilizing and Enhancing Passenger and Baggage Screening Operations
GAO-04-440T, Feb 12, 2004

Homeland Security

Posthearing Questions Related to Aviation and Port Security
GAO-04-315R, Dec 12, 2003

Aviation Security

Efforts to Measure Effectiveness and Strengthen Security Programs
GAO-04-285T, Nov 20, 2003

Aviation Security

Federal Air Marshal Service Is Addressing Challenges of Its Expanded Mission and Workforce, but Additional Actions Needed
GAO-04-242, Nov 19, 2003

Aviation Security

Efforts to Measure Effectiveness and Address Challenges
GAO-04-232T, Nov 5, 2003

Airport Passenger Screening

Preliminary Observations on Progress Made and Challenges Remaining
GAO-03-1173, Sep 24, 2003

Aviation Security

Progress Since September 11, 2001, and the Challenges Ahead
GAO-03-1150T, Sep 9, 2003

Transportation Security

Federal Action Needed to Enhance Security Efforts
GAO-03-1154T, Sep 9, 2003

Federal Law Enforcement

Selected Issues in Human Capital Management
GAO-03-1034T, Jul 23, 2003

Transportation Security

Federal Action Needed to Help Address Security Challenges
GAO-03-843, Jun 30, 2003

Transportation Security Research

Coordination Needed in Selecting and Implementing Infrastructure Vulnerability Assessments
GAO-03-502, May 1, 2003

Federal Aviation Administration

Reauthorization Provides Opportunities to Address Key Agency Challenges
GAO-03-653T, Apr 10, 2003

Transportation Security

Post-September 11th Initiatives and Long-Term Challenges
GAO-03-616T, Apr 1, 2003

Transportation Security Administration

Actions and Plans to Build a Results-Oriented Culture
GAO-03-190, Jan 17, 2003

Aviation Security

Vulnerabilities and Potential Improvements for the Air Cargo System
GAO-03-344, Dec 20, 2002

Aviation Security

Registered Traveler Program Policy and Implementation Issues
GAO-03-253, Nov 22, 2002

Aviation Security

Transportation Security Administration Faces Immediate and Long-Term Challenges
GAO-02-971T, Jul 25, 2002

Transportation

Information Concerning the Arming of Commercial Pilots
GAO-02-822R, Jun 28, 2002

Homeland Security

A Framework for Addressing the Nation's Efforts
GAO-01-1158T, Sep 21, 2001
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