SUBJECT: Letter Request for Proposal (RFP) SPRRA2-26-R-0077 The Defense Logistics Agency (DLA) is issuing solicitation SPRRA2-26-R-0077 to add the following parts to the Contract SPRRA2-24-D-0011 under the Lockheed Martin Captain of Industries (COI) Supplier Capability Contract (SCC) SPE4AX-22-D-9000. NOUN NSN PART NUMBER QUANTITY POWER SUPPLY 6130-01-475-0857 13508160-7 25 CABLE ASSEMBLY, POWE 6150-01-531-5486 13508084-3 52 CABLE ASSEMLBY. SPEC 6150-01-531-5489 13508085-3 15 CIRCUIT CARD ASSEMBLY 5998-01-732-5056 13683210 5 The associated parts listed above and in Enclosure 1 of this document will support the Patriot Weapon System. The basic terms and conditions of the contract shall govern the contractors and Governments' rights and obligations. This solicitation is sole sourced to Lockheed Martin Corporation (CAGE 64059) in accordance with FAR 6.302-1; “Only one responsible source and no other supplies or services will satisfy agency requirements.” A. The following timelines are proposed in this RFP: 1. Indicate your intention to provide a responsive proposal to this letter RFP in writing within five (5) business days. It is requested that a negative response be accompanied by an explanation. Responses shall be provided to the contracting team identified above. 2. Your response is requested as soon as possible. If you choose to submit a proposal in response to this RFP it shall be submitted on/or before 5:00 P.M. Central Standard Time (CST) August 31, 2026. B. Instructions for the proposal: 1. Please ensure that you read the entire RFP, including all of the enclosures, prior to submitting a proposal. The proposal shall be in full compliance with the instructions of this RFP. 2. This RFP is not an authorization to start work. 3. The basic terms and conditions of the Contract SPRRA2-24-D-0011 shall govern the Contractors' and Governments' rights and obligations. 4. To assure maximum timeliness of proposal, the list of NSN/PNs numbers may be separated into more than one proposal with the understanding that the data requirements are not lessened by doing so. 5. Contract Clauses are governed by the Contract unless otherwise indicated, (excluding classified clauses; notices, clauses, and provisions) shall apply to all add-ons, delivery orders and shall govern the contractor's and Governments' rights and obligations. No alternative or additional clauses shall be submitted with this proposal. Lockheed Martin can submit previously coordinated alternates of term and conditions as assumptions to their proposal to assure maximum timeliness of proposal. 6. Your proposal(s) shall remain valid for a minimum of ninety (90) days from receipt by the Government. 7. The offeror may propose alternative sole…