PacStar Enterprise CSfC Solutions (ECS) provide gateway services for classified networks using COTS products to meet the security and configuration requirements of the National Security Agency (NSA) Commercial Solutions for Classified (CSfC) program. It enables DoD and Federal organizations to transmit classified information using commercial encryption components. PacStar ECS enables executive mobility (i.e. laptops and smartphones), site-to-site extensions of classified networks (i.e. expeditionary kits, branch offices, multi-building campus), and classified campus area wireless connections.