Download or read book Defense Travel System written by United States Government Accountability Office and published by Createspace Independent Publishing Platform. This book was released on 2017-09-15 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Defense travel system : estimated savings are questionable and improvements are needed to ensure functionality and increase utilization : testimony before the Permanent Subcommittee on Investigations, Committee on Homeland Security and Governmental Affairs, U.S. Senate