Requirement: The repair of the Ammunition Container (NSN: 1005-01-298-2522), a critical component exclusive to the F-15E's 20mm M61A1 Gatling gun system. The container is responsible for storing and feeding ammunition. Intended Source: This action will be a sole-source award to General Dynamics Ordnance and Tactical Systems (GD-OTS). Justification: The award is made under the authority of FAR 6.302-1. GD-OTS is the only source possessing the proprietary technical data and licenses required for the repair. The U.S. Government does not own the necessary data, precluding competition and making this action essential to prevent a critical gap in combat readiness. Contract Vehicle: The Government anticipates awarding a Requirements Indefinite Delivery Contract (IDC) with a one-year base period, four one-year ordering options, and a six-month extension option. NAICS Code: The anticipated NAICS code is 332993 The solicitation will be issued directly to the intended contractor on or about 20 April 2026, with proposals due by 5 Jun 2026. Participation by foreign contractors in this acquisition is not permitted.