The Department of Defense, specifically the Department of the Army, intends to award a sole source contract extension for the Long Range Radar-Enhanced (LRR-E) system, with the procurement managed by the Army Contracting Command in Linthicum Heights, Maryland. This contract will provide sustainment and life cycle support necessary for maintaining the operational readiness and capability of the LRR-E, extending the ordering period by four years and allowing for various pricing structures including Firm-Fixed Price and Cost-Reimbursable Task Orders. The Government plans to negotiate exclusively with Northrup Grumman Systems Corporation, citing the need for a single responsible source, although other interested parties may submit capability statements for consideration. Responses must be directed to the Contract Specialist, Joshua Bargsten, at joshua.bargsten.civ@army.mil, with a courtesy copy to Contracting Officer Ricardo Rivera at ricardo.a.rivera50.civ@army.mil, prior to the closing date of the notice.