The Department of Transportation, specifically the Federal Aviation Administration (FAA), intends to award a contract for the repair services of Enhanced Terminal Voice Switch (ETVS) and Small Tower Voice Switch (STVS) systems, utilizing single source procedures. The contract, which will run from July 9, 2025, to July 8, 2030, aims to ensure the continued provision of labor, materials, and equipment necessary for the effective repair and modification of government-owned items, adhering to specifications set by the original equipment manufacturer, Northrop Grumman Systems Corporation. These systems are critical for maintaining aviation communication, and the contractor will be responsible for assessing the condition of units, providing monthly failure reports, and facilitating the acquisition of necessary parts. Interested parties capable of providing these services are encouraged to respond via email to the primary contact, Raymond Lena, at raymond.a.lena@faa.gov, or the secondary contact, Kirk Miller, at kirk.b.miller@faa.gov.