The Department of Defense (DoD) is a department of the federal government and has three main components: The departments of the Army, Navy, and Air Force. The DoD is housed in the Pentagon building. The department's roles and limits are contained in Title 10 of the US Code. This section of the law has five components: Subtitle A refers to General Military Law, Subtitle B to the Army, Subtitle C to the Navy and the Marine Corps, Subtitle D to the Air Force and Subtitle E to Military Reserves. Important agencies within the DoD include the Defense Information Systems Agency (DISA), National Security Agency (NSA), the Missile Defense Agency, and the Defense Intelligence Agency (DIA). The DoD receives the largest portion of each year's federal discretionary spending budget. 

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Latest Headlines

Latest Headlines

DoD wants to ease military recruitment restrictions to attract top talent

Defense Secretary Ash Carter wants to ease some of the restrictions on who can enlist in the military to better attract young and smart talent to the services, said a Pentagon spokesman at a March 28 press conference.

HASC unveils DoD procurement reform bill

The House Armed Services Committee released a highly anticipated bill that is meant to streamline the Defense Department's acquisition process and better train it's procurement officers. The legislation would focus on four areas of the acquisition process: workforce training, chain of command, streamlining reporting requirements and overall acquisition strategy.

Report: DoD security clearances dropped by 15% over last two years

The Defense Department reduced the number of employees and contractors who hold security clearances over the last two years by more than 700,000 people, according to documents obtained by open government expert Steven Aftergood on his Secrecy News blog.

New virtual reality therapy helps warfighters with PTSD

Warfighters suffering from post-traumatic stress disorder can relive the trigger events in order to better cope with them through new treatment using virtual reality.

House intel leaders unveil bill to spur public, private sharing of cyber threat indicator data

Leaders with the House Permanent Select Committee on Intelligence March 24 unveiled legislation that would encourage private companies to voluntarily share information on cyber threats with each other and the federal government as long as it doesn't go through the National Security Agency or the Defense Department.

VA won't abandon VistA, says Warren

As the Defense and Veterans Affairs departments continue to their march toward an interoperable electronic health record system, the VA will not be moving to a proprietary EHR platform, said Acting VA Chief Information Officer Stephen Warren.

VA moves forward with development of new health record interface to replace Janus

The Veterans Affairs Department will have "foundational capability" at all its facilities for a new health record interface tool by the end of 2015, the department's acting chief information officer said last week.

DoD IG reverses clean audit of Marine Corps financial statements

The Defense Department's inspector general has reversed its clean fiscal 2012 financial audit of the Marine Corps after it recently found the data the IG relied on wasn't accurate. The DoD discovered the information the Marine Corps provided for the fiscal 2012 financial audit was unreliable after it reviewed the information again for the fiscal 2014 audit.

Union: Cutting military commissary budget would affect tens of thousands of federal workers

The largest federal employee union is calling on the Defense Department to stop a proposal to cut funding for its commissaries, says a March 18 American Federal of Government Employees letter to Congress.

GAO: DoD didn't fully consider underreporting in sexual assault numbers

The Defense Department hasn't done a good job of understanding the underreporting of male sexual assault in the services, says a March 19 Government Accountability Office report.