The purpose of this J&A is to obtain class approval to issue multiple Communication Service Authorizations (CSAs) against the General Service Administration's (GSA's) EIS Government-wide Acquisition Contract (GWAC) for special construction in support of various established circuits for DISA J-6 Mission Partners (MPs) located in or around Ft. Belvoir. The CSAs will result in fixed price with economic price adjustment task orders funded via Program Designator Code (PDC). All CSAs will be awarded in fiscal year (FY) 2026. As a non-severable service, CSAs will be discontinued upon completion of the special construction. The total ceiling of this class J&A is $14,167,553 based on the estimates provided in the attached Ft. Belvoir special projects spreadsheet. FY26 operations and maintenance funding will be provided for these extensions. The applicable north American industry classification code is 517111 telecommunications