The Department of Defense, through the Naval Air Warfare Center Aircraft Division (NAWCAD), is seeking to award a three-year indefinite-delivery, indefinite-quantity contract for various hydraulic power supply units to Hydraulics International, Inc. (HII), the Original Equipment Manufacturer (OEM). The procurement includes specific part numbers essential for supporting the United States Navy and the Royal Australian Air Force's MQ-4C Triton Unmanned Air Systems, highlighting the critical nature of these components for operational readiness. This opportunity is being processed under the authority of 10 U.S.C. 3204(a)(1), indicating that only one responsible source can meet the agency's requirements due to the proprietary nature of the technical data. Interested parties must respond within fifteen (15) calendar days of the notice publication and can contact Mark Schnittman at mark.a.schnittman.civ@us.navy.mil or 240-587-2525 for further information.