Naval Air Warfare Center awarded a purchase order to Stirling Dynamics LIMITED for $172,888.59 on August 18, 2025, for F-35 training spares under a sole-source, firm fixed-price arrangement. Work is performed in Great Britain, United Kingdom. The order covers one F-35 Simulated Stick (Part Number 032A000-002) and one F-35 Simulated Throttle (Part Number 033A000-002), both excluding grips, for the Integrated Training Facility Fighter In A Box program. Ultimate completion is January 15, 2026. The procurement originated from a Naval Air Systems Command solicitation posted July 10, 2025, with a due date of July 17, 2025, under NAICS code 333310. All items must be new with refurbished components explicitly prohibited.