Unattended Network Storage Ground Station (UNS-GS)

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The Curtiss-Wright UNS (Unattended Network Storage) is a rugged network attached storage (NAS) system that supports industry-standard network storage protocols (NFS, CIFS, iSCSI, HTTP, and FTP) through four 10 GbE (Gigabit Ethernet) and eight 1 GbE ports. Trusted to protect critical data-at-rest (DAR), the UNS incorporates Top Secret/Sensitive Compartmented Information (TS/SCI) encryption for unattended applications. With a 32 TB Removable Storage Module (RSM), the UNS is a leader in protecting classified DAR for transport between a base station and aircraft or other mobile vehicles. With no moving parts or air-pressure dependent components, the UNS operates in a broad range of harsh conditions. Additionally, it supports the Preboot eXecution Environment (PXE) and Dynamic Host Configuration Protocol (DHCP) in order to serve boot files to network clients, allowing designers to eliminate redundant client storage on the clients.

Data Transport Between Ground Station and Deployed Vehicle

The UNS Ground Station (UNS-GS) is intended for use in conjunction with the UNS. The UNS-GS accommodates the same Removable Storage Module (RSM) that is used in the UNS.  With the RSM installed in the UNS-GS, mission, map, and boot files can be loaded onto it. The RSM can be removed from the UNS-GS and safely transported to the UNS on a deployed vehicle. The encryptors in the deployed system can decrypt the files for use during the mission.  During the mission, sensor data may be captured and stored on the RSM. After the mission, the RSM can be removed and transported back to the UNS-GS on the ground. The captured data can be decrypted and off-loaded for subsequent analysis.

Transferring data between the UNS and the UNS-GS
Transferring data between the UNS and the UNS-GS


Data Protection for Unattended Applications

The UNS incorporates the ProtecD@R Multi-Platform Encryptor (KG-204) from General Dynamics Mission Systems (GDMS). In order to maintain a high system throughput, the UNS is designed to accommodate two KG-204 encryptors behind a secured panel. The incoming data is encrypted and then stored on the RSM.

The ProtectD@R Multi-Platform is the first DAR encryptor planned to be certified for unattended operations. This feature allows the encryptor to protect data while in unmanned environments such as unmanned underwater vehicles (UUV) or unmanned air vehicles (UAV).

Key Features

  • Network Attached Storage (NAS)
  • Protection of top secret and below data
  • Supports unattended operations
  • 32 TB removable solid state memory
  • 2 GB/s system throughput
  • 4 x 10 GbE, 8 x 1 GbE ports
  • Boot network clients with PXE and DHCP


  • Deployed network file server
  • Top secret and below data-at-rest
  • Unattended vehicles: UAV, UUV, USV, UGV
  • Mobile ISR system
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Unattended Network Storage Ground Station (UNS-GS)

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