This is a sources sought notice for the acquisition of 43 B-1 Bomber parts, for which Eaton Aerospace is the sole approved source. The Government intends to award long-term, fixed-price contracts with annual price adjustments, featuring a one-year base period and four one-year option periods. The solicitation will be available on March 20, 2026, and interested parties may identify their capability to provide a commercial item alternative within 15 days of this notice. While all responsible sources may submit an offer, the award decision will be based on a combination of price, past performance, and delivery.