; (3) to the degree feasible, ensuring testing of each core service of such environment, including testing by the intended users, to evaluate performance against measurable service requirements and to ensure the capability meets user requirements; and (4) coordinate transition or restructuring efforts of such environment, including phaseout of legacy systems. (d) Security plan Not later than 180 days after the date of the enactment of this Act, the Director of National Intelligence shall develop and maintain a security plan for the intelligence community information technology environment. (e) Long-term roadmap Not later than 180 days after the date of the enactment of this Act, and during each of the second and fourth fiscal quarters thereafter, the Director of National Intelligence shall submit to the congressional intelligence committees a long-term roadmap that shall include each of the following: (1) A description of the minimum required and desired core service requirements, including— (A) key performance parameters