DLIFLC has a continuing need to repurchase annual purchase license support used to provide technical support for the Army-provided Tenable ACAS vulnerability solution to reduce troubleshooting time, provide 24x7 support, and provide best practices to deploy and maintain products. The attached salient characteristics are Premier Tenable ACAS support (TECH-SUP-PREM) for a 5,240 host/client Tenable SC instance environment. The contractor shall provide ACAS support for an Army-based Tenable ACAS installation.