HERMES BAA CALL: Rotating Detonation Rocket Engine-Combined Cycle (RDRE-CC) Flight Demonstration

============================================== AMENDMENT 0002 - NOTICE OF THE USE OF NON-GOVERNMENT ADVISORS & RELEASE OF REVISED ATTACHMENT 2 (v2) ============================================== The purpose of this update is to notify interested parties of two critical administrative and technical updates to the subject 2-Step Call: 1. RELEASE OF REVISED TECHNICAL QUESTIONS & ANSWERS (v2): The Government has released v2 of the Controlled Technical Q&As (Distribution C) to provide additional clarification. Specifically, a new clarification has been added as Question 2.3, "Air-Launched Flight Demonstration." As a result of this insertion, the former Questions 2.3 and 2.4 have shifted to Questions 2.4 and 2.5, respectively. All vetted contractors must request access to the updated attachment: "Attachment 2 - Call Q&A v2 (Distribution C)" via the SAM.gov "Attachments" portal. You MUST enter your company's CAGE Code in the "Reason for Request" text box to facilitate rapid cross-referencing against our registration log.** 2. All prospective offerors are hereby notified that the Government intends to utilize a non-government advisor to provide technical advisory support during the evaluation of Phase I White Papers and subsequent Phase II Proposals resulting from this Call. a. ADVISOR ENTITY: Technical advisory support will be provided by an authorized subcontractor under Sierra Lobo, Inc. (SLI) (Contract FA930023F6001). b. ADVISORY CAPACITY ONLY: The advisor's role will be strictly advisory and non-governmental. The advisor will provide technical subject matter expertise to assist the Government evaluators but will not assign ratings, make selections, or perform any inherently governmental decision-making functions. c. DATA PROTECTION: In accordance with RFO Part 15.108 and 15.201, the advisor is bound by strict, legally binding Government Non-Disclosure Agreements (NDAs) and statutory Procurement Integrity Act requirements to safeguard all contractor proprietary and sour