This is a sources sought notice for information and planning purposes only, not a commitment by the government. Eielson Air Force Base is seeking an F35 Engine Run Training Simulator under a potential small business set-aside. The performance location is Eielson Air Force Base, and the applicable NAICS code is 333310 with a 1,000-employee size standard. Interested firms must submit a capabilities package demonstrating company size, business status, teaming arrangements, and examples of similar commercial and government services. No budget amounts or submission timelines are specified in this notice.