The Defense Production Act (DPA) of 1950 confers upon the President a broad set of authorities to influence domestic industry in the interest of national defense. The authorities can be used across the federal government to shape the domestic industrial base so that, when called upon, it is capable of providing essential materials and goods needed for the national defense. Though initially passed in response to the Korean War, the DPA is historically based on the War Powers Acts of World War II. Gradually, Congress has expanded the term national defense, as defined in the DPA, so that it now includes activities related to homeland security and domestic emergency management. The scope of DPA authorities extends beyond shaping U.S. military preparedness and capabilities, as the authorities may also be used to enhance and support domestic preparedness, response, and recovery from natural hazards, terrorist attacks, and other national emergencies. Congress may consider reauthorizing the DPA prior to its termination on September 30, 2014. In conjunction with, or separate from, authorizing legislation, Congress may evaluate the need to expand, restrict, or otherwise clarify the powers granted to the President in the DPA. Congress might also expand the notification, reporting, and rulemaking requirements of the law in order to aid future oversight of the DPA.