This is a combined synopsis/solicitation for a firm-fixed-price contract to provide test, maintenance, and training services for High Frequency Automatic Link Establishment (HF ALE) Radio Systems for the USDA Office of Homeland Security. The period of performance is for a base year from March 1, 2026, to February 28, 2027, plus four 12-month option years extending through February 28, 2031. On-site work will be performed at three specified USDA locations in Washington, D.C., Elkins, West Virginia, and Kansas City, Missouri. The solicitation emphasizes that personnel must hold specific manufacturer certifications for CODAN and DATRON radios. No specific budget amount is listed, as the contract award dollar amount is to be negotiated.