NAVFAC Echelon II Design and Construction Military Construction ( MILCON) provides program management, support, and oversight (from project definition to financial completion) of all MILCON projects executed by NAVFAC and funded from appropriations provided by a MILCON Appropriation Act or comparable legislation. This includes ensuring MILCON projects are supportable during budget review, executable upon enactment by Public Law, and funded appropriately for timely execution that satisfies the needs of Supported Commands.