; or (II) a member of the United States Armed Forces. (D) Report Not later than 1 year after the date of the enactment of this Act, the Commission shall submit to the Committees on Armed Services of the Senate and the House of Representatives a report on the results of the study required by subparagraph (B). (b) Modification of foreign military sales processing (1) Deadlines (A) Responses (i) Letters of request for pricing and availability The Secretary of Defense shall ensure that an eligible foreign purchaser that has submitted a letter of request for pricing and availability data receives a response to the letter not later than 45 days after the date on which the letter is received by a United States security cooperation organization, the Defense Security Cooperation Agency, or other implementing agency. (ii) Letters of request for letters of offer and acceptance (I) In general Subject to subclause (II), the Secretary of Defense and the Secretary of State shall ensure that an eligible foreign purchaser that has submitted a letter of request for a letter of offer and acceptance receives a response— (aa) in the case of a letter of request for a blanket-order letter of offer and acceptance, cooperative logistics supply support arrangements, or associated amendments and modifications, not later than 45 days after the date on which the letter of request is received by a United States security cooperation organization, the Defense Security Cooperation Agency, or other implementing agency; (bb) in the case of a letter of request for a defined-order letter of offer and acceptance or associated amendments and modifications, not later than 100 days after such date