国防部|2009年4月27日，
根据国防部的一个部门新闻稿, Dr. Ashton Carter was sworn in as Under Secretary for Acquisition, Technology and Logistics on April 27, 2009. Before returning to Washington, Dr. Carter was chair of the International and Global Affairs faculty at Harvard’s Kennedy School of Government and Co-Director of the Preventive Defense Project (with former Secretary of Defense William J. Perry)。1984年，卡特博士编写的一份报告对OTA，定向能导弹防御太空。