CACG developed the Mobile Digital Signature capability, representing DISA’s first mobile app developed for both iOS and Android. CACG served as prime contractor for sustainment, maintenance, and updates to the Mobile Digital Signature capability — a DoD-deployed application supporting iOS and Android platforms. Work encompassed lifecycle support, security patch management, platform compatibility maintenance, and operational enhancements within DoD’s managed device environment. Sustained platform availability and security compliance throughout the delivery period.