Section 101. Purpose. This order delegates authorities and addresses national defense resource policies and programs under the Defense Production Act of 1950. Sec. 103. General Functions. Executive departments and agencies ... responsible for plans and programs relating to national defense ... or for resources and services needed to support such plans and programs, shall: ... (c) be prepared, in the event of a potential threat to the security of the United States, to take actions necessary to ensure the availability of adequate resources and production capability, including services and critical technology, for national defense requirements; ... Sec. 310. Critical Items. The head of each agency engaged in procurement for the national defense is delegated the authority of the President ... to take appropriate action to ensure that critical components, critical technology items, essential materials, and industrial resources are available from reliable sources when needed to meet defense requirements during peacetime, graduated mobilization, and national emergency. Appropriate action may include restricting contract solicitations to reliable sources, restricting contract solicitations to domestic sources (pursuant to statutory authority), stockpiling critical components, and developing substitutes for critical components or critical technology items. [signed] BARACK OBAMA