The Department of Defense, through the Naval Undersea Warfare Center, is seeking information from industry regarding the Foreign Military Sales Follow-on Technical Support for SEA21 PMS 326 International Fleet Support. This procurement aims to provide eligible foreign customers with access to a comprehensive range of U.S. Security Cooperation solutions, including sustainment material, systems upgrades, technical support, and maintenance services for naval vessels and related infrastructure. The contract will cover various support areas such as program management, engineering, and OCONUS maintenance, with a focus on specific regions including Egypt, Iraq, and the Philippines. Interested parties must submit their notice of interest by 12 PM PDT on January 25, 2026, to the designated contacts, Jason Gavinski and Karen Smith, with further details available in the draft statement of work and associated documents.