This research service focuses on categories of U.S. Department of Defense (DoD) budget spending, including: research, development, testing, and evaluation (RDT&E), procurement, operations and maintenance (O&M), and services. Contract activity for the U.S. DoD for the year 2011 is also included. The U.S. DoD 2013 Budget is comprised of the Army, Navy/Marine Corps, Air Force, and Joint Service spending plans and is included in this study. In addition, this study indicates which technology products and services are emphasized in DoD budget spending. The base year for financial spending is 2011, and the market forecast is from 2012 to 2017.