To amend title 10, Untied States Code, to require the Secretary of the Navy to permit and facilitate the construction in United States shipyards and related facilities of combatent vessels and components for allies of the United States.

Directs the Secretary of the Navy to: (1) permit and facilitate the construction in U.S. shipyards and related facilities of combatant vessels and components for U.S. allies, subject to the required safeguarding of sensitive warship technology; and (2) ensure that no effort is made by the Department of the Navy to inhibit, delay, or halt the provision to such an ally of any U.S. naval system approved for export to a foreign nation.

Authorizes the President to restrict such activities of the Secretary in the interest of national security. Requires the President to notify the Congress within 30 days if he exercises such restriction.