List of United States defense contractors

services of the United States）指的是美利坚合众国所拥有的八支联邦制服部队（英语：Uniformed services）。它根据美国法典第10卷任命军官，随后又根据美国法典第10卷、第14卷（英语：Title 14 of the United States Code）、第32卷（英语：Title

STRENGTH FIGURES FOR SEPTEMBER 30, 2011 (PDF). United States Office of the Under Secretary of Defense for Acquisition, Technology, and Logistics. September

welfare of the United States requires that the Administration seek and encourage, to the maximum extent possible, the fullest commercial use of space.

（原始内容存档于2014-10-10）.  Airstrikes Hit ISIL in Syria and Iraq. United States Department of Defense. October 8, 2014 [October 8, 2014]. （原始内容存档于2015-07-30）. 

will provide each year. 華盛頓特區鐵路列表（英语：List of Washington, D.C., railroads） 華盛頓地鐵 美國的公共承運人貨運鐵路列表（英语：List of United States railroads） 都會巴士 (華盛頓特區)（英语：Metrobus