This is a notice of intent to issue a sole-source, Firm-Fixed-Price contract to Applied Energy Technology Corp. (AETC) for the manufacture and testing of CCU-189/B sub-assemblies and cartridges. The work involves producing items that meet specific performance and safety requirements, including HERO-Safe standards. The notice states that AETC is considered the only source with the proven and validated capabilities to fulfill this requirement within the necessary operational timeframe. The Government is not requesting proposals but will consider all responses to this notice from interested sources. Interested parties must submit their capability summaries and company information via email by the specified time.