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. 



Latest Headlines

Latest Headlines

DoD doesn't have plans to monitor women in combat positions past 2016

The Defense Department doesn't have a plan to monitor how the services integrate women into newly opened positions past the end of this year, says a July 20 Government Accountability Office report.

DoD business systems modernization isn't producing results, GAO says

The Defense Department's effort to modernize its business systems isn't producing the desired results because the department hasn't implemented recommendations defined over the last 20 years, says a July 16 Government Accountability Office report.

Cybersecurity sprint ends with some agencies reporting successes

The 30-day "cybersecurity sprint" federal agencies undertook in response to serious data breaches at the Office of Personnel Management wrapped up July 12. Now, agencies await review from senior Obama administration officials and the promised Federal Civilian Cybersecurity Strategy.

BYOD won't be the 'big answer' for DoD, says Halvorsen

The Defense Department plans to eventually allow a "bring your own device" mobile policy for a small set of users on its unclassified network, but it won't be pushed very widely throughout the department, said DoD Chief Information Officer Terry Halvorsen.

DoD seeks to end transgender ban in the military

The Defense Department announced it will undertake a six-month study aimed at ending the ban on transgender people in the military.

DoD pushing WiFi to military hospitals, Pentagon

The Defense Department plans to support the explosion of health data in the Military Health System with increased wireless infrastructure. "Most of our hospitals are not new buildings," said Defense Department Chief Information Officer Terry Halvorsen.

DoD CIO to industry: Do your homework

As DoD tries to better understand its industry partners, Halvorsen isn't seeing the same eagerness from vendors trying to better understand their customer.

GAO: Agencies not following guidance for reviewing goals

Some agencies haven't be consistent in following guidance for reviewing priority goals, says a July Government Accountability Office report.

GAO: Defense Department officials need to assess capabilities to address chem, bio threats

The Chemical and Biological Defense Program Enterprise – comprised of 26 DoD organizations – leads the department's efforts to protect military personnel from chemical, biological, radiological and nuclear threats.

DoD fails to comply with rules to curb contractor estimate deficiencies

The Defense Department's contracting component hasn't complied with new rules meant to address deficiencies in the way contractors estimate prices says a June 29 DoD inspector general report.