; (2) the Committee on Armed Services and the Committee on Homeland Security and Governmental Affairs of the Senate; and (3) the Committee on Armed Services, Committee on Homeland Security, and the Committee on Oversight and Government Reform of the House of Representatives. 727. Study on the feasibility of encrypting unclassified wireline and wireless telephone calls (a) Study required Not later than 180 days after the date of the enactment of this Act, the Director of National Intelligence shall complete a study on the feasibility of encrypting unclassified wireline and wireless telephone calls between personnel in the intelligence community. (b) Report Not later than 90 days after the date on which the Director completes the study required by subsection (a), the Director shall submit to the congressional intelligence committees a report on the Director's findings with respect to such study. 728. Modification of requirement for annual report on hiring and retention of minority employees (a) Expansion of period of report Subsection (a) of section 114 of the National Security Act of 1947 ( 50 U.S.C. 3050 ) is amended by inserting and the preceding 5 fiscal years after fiscal year . (b) Clarification on disaggregation of data Subsection (b) of such section is amended, in the matter before paragraph (1), by striking disaggregated data by category of covered person from each element of the intelligence community and inserting data, disaggregated by category of covered person and by element of the intelligence community, . C Other matters 731. Technical amendments related to the Department of Energy (a) National Nuclear Security Administration Act (1) Clarification of functions of the Administrator for Nuclear Security Subsection (b) of section 3212 of the National Nuclear Security Administration Act ( 50 U.S.C. 2402(b) ) is amended— (A) by striking paragraphs (11) and (12)