Amendment 001 is posted on 05/12/2026 to update the following: 1. Extend solicitation to 05/19/2026. 2. Received questions and working on responses and answers will be posted. Amendment 002 is posted on 05/15/2026 with the following changes: 1. Provide answers to the following questions: We plan to use a primary vendor / manufacturer for the NASA HR-1 alloy components via LP-DED per MSFC-SPEC-3717 (including all required stress relief, HIP, and post-machining 2-step aging). Will the primary vendor / manufacturer be an acceptable source / vendor for this requirement? We will be performing the machining in-house, but stress relief, HIP, and the aging (post-machining) would be completed by them. The awarded vendor must have the capability and knowledge base for LP-DED manufacturing and be sourcing their raw materials from approved sources. Are .step (or other 3D/solid model files) available for this effort and if so, would it be possible for you to share those over? Upon award, the files will be provided to the vendor Amendment 003 is posted on 05/19/2026 to update the following: 1. Extend solicitation to 05/22/2026. Amendment 004 is posted on 05/22/2026 to update the following: 1. Extend solicitation to 05/27/2026. Amendment 005 is posted on 05/26/2026 to update the following: 1. Extend solicitation to 06/09/2026. 2. Update quote submittal requirements From: The name of its source for the HR-1 powder with its quote for Government evaluation. To: 1. The name of its source for the HR-1 powder. 2. Technical Approach: A narrative demonstrating successful execution of MSFC-SPEC-3717 (or equivalent). Must include a summary of past performance on similar projects and a formal certification that all personnel (metallurgists, technicians, NDT inspectors) meet the required industry standards. Not to exceed 1 page. 3. Facility & Equipment Lists: Documentation of the specific LP-DED machinery, powder storage environments, and inspection equipment (e.g., CT scanners, CMM) available at offeror's site or their primary vendor's site. Not to exceed 1 page. Offerors may also submit the following, if available, with quotes: 1. Quality Certifications: Copies of AS9100, ISO 9001, or Nadcap accreditations specifically covering additive manufacturing, heat treating, and non-destructive testing (NDT). 2. Sample Certificates of Conformance (CoC) or Material Test Reports (MTR) from previous builds. Amedment 006 is posted on 06/10/2026 to update the following: 1. Extend solicitation to 06/19/2026. Amedment 007 is posted on 06/29/2026 to update the following: 1. Extend solicitation to 07/16/2026. Amendment 008 is posted on 07/01/2026 to update the following: 1. Update Attachment 1: Drawing 852601-1010_A-HULL-LAH_TANK-REMUS_600 and Attachment 2: Drawing 852601-1011_A-BULKHEAD-LAH_TANK-REMUS_600 to Distro A. 2. The purpose of amendment is to update the Government's minimum requirement. The following changes are made as a result of this amendment. All other terms and conditions …