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

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.

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.

'War game' will determine if DoD can share well with others in the cloud

The Defense Department is pushing ahead with a plan that would permit commercial cloud computing providers operating in DoD facilities to serve non-federal government clients.

House Republican budget plan would boost DoD spending while reducing civilian agency budgets

House Republicans released a fiscal 2016 budget plan Tuesday that would slash non-defense spending while boosting funding for the Defense Department war operations. The budget plan doesn't outline the numbers for next fiscal year in detail for each agency like President Obama's budget request. Those numbers are hashed out by House and Senate Appropriations Committee members in their respective subcommittees.

DoD to pilot BYOD this summer, says Halvorsen

The Defense Department will pilot a "bring your own device," or BYOD, mobility program sometime this summer, according to the department's chief information officer.