The DTS1 is a rugged commercial off-the-shelf (COTS) network attached storage (NAS) product that protects classified data-at-rest (DAR) with two layers of full disk encryption (FDE) in a single device. Having been evaluated against two DAR protection profiles, the hardware and software FDE layers in the DTS1 are now currently listed on the United States NIAP Product Compliant List, NSA’s CSfC Components List, and the International Common Criteria Certified Products List. The DTS1 can securely store up to 4TB of data (mission, map, maintenance, sensor) on a removable solid state cartridge. This rugged network file server supports industry standard network protocols – NFS, CIFS, FTP, HTTP, iSCSI. It also can be used to boot other network clients with industry protocols – PXE and DHCP.