DISCLAIMER THIS SOURCES SOUGHT IS FOR INFORMATIONAL PURPOSES ONLY. THIS IS NOT A REQUEST FOR PROPOSAL. IT DOES NOT CONSTITUTE A SOLICITATION AND SHALL NOT BE CONSTRUED AS A COMMITMENT BY THE GOVERNMENT. RESPONSES IN ANY FORM ARE NOT OFFERS AND THE GOVERNMENT IS UNDER NO OBLIGATION TO AWARD A CONTRACT AS A RESULT OF THIS ANNOUNCEMENT. NO FUNDS ARE AVAILABLE TO PAY FOR PREPARATION OF RESPONSES TO THIS ANNOUNCEMENT. ANY INFORMATION SUBMITTED BY RESPONDENTS TO THIS TECHNICAL DESCRIPTION IS STRICTLY VOLUNTARY. This notice is a market research tool pursuant to Federal Acquisition Regulation (FAR) Part 10 to determine potential and eligible small and large businesses, capable of fulfilling the requirements. INTRODUCTION Naval Air Systems Command (NAVAIR) Airborne Strategic Command, Control, and Communications Program Office (PMA-271) located in Patuxent River, MD currently has a Corporate Basic Ordering Agreement (BOA) with Rockwell Collins, managed by Collins Aerospace for the requirements outlined below in support of the E-6B platform. This Sources Sought notice is part of ongoing market research by the Government to identify new market developments, technological advances, and capabilities of small business concerns that could potentially fulfill the requirements of the existing BOA. PROGRAM BACKGROUND The E-6B consists of the commercial Boeing 707 commercial aircraft that has been modified to meet Navy requirements by integrating numerous systems and subsystems. ANTICIPATED PERIOD OF PERFORMANCE This notice is for requirements to be awarded under the BOA for Fiscal Year 2026 through 2029. The period of performance for each requirement depends on the complexity and scope/size of the efforts. A synopsis will be posted to SAM.gov for each specific requirement on future Task and Delivery Orders. REQUIREMENTS Interested parties may submit a capability statement in which they identify their interest and capability in fulfilling the requirements below. Requirements under this announcement are for the following systems, subsystems, and support equipment on or for the E-6B aircraft: Mission System Block I System Block II System Sustainment and Support System (SASS) Very Low Frequency (VLF) System Internet Protocol Bandwidth Expansion (IPBE) Phase 4 Control Display Unit (CDU) Digital Red Switch System (DRSS) Power Control System ARC-171 R/T, High Power Amplifier, and C3 Modem ARC-210 Radio Antenna Reeling Machine (ATRM) Test Bench Nuclear Hardening (TBNH) GCU (Generator Control Unit) IDG (Integrated Drive Unit) The support includes, but is not limited to,: Engineering Change Proposal (ECP), Non-Recurring Engineering (NRE) and associated validation and verification of the resulting Technical Directives (TDs) including logistics impacts, manufacturing and delivery of retrofit kits, testing of retrofit safety and test equipment changes, integrated logistics support as well as spare and repair parts for aircraft, subsystems support equipment, training and related…