What is the SOSA™ Technical Standard?

The Open Group Sensor Open Systems Architecture (SOSA) Consortium member logoRugged, deployable systems developed to Modular Open Systems Approach (MOSA) standards are becoming increasingly important in the defense industry. The U.S. military’s 2019 Tri-Services memo, signed by the Secretaries of the Army, Air Force, and Navy, has even explicitly mandated that “MOSA supporting standards should be included in all requirements, programming, and development activities for future weapon system modifications and new start development programs to the maximum extent possible.

The MOSA directive has accelerated the adoption of several open standards, including The Open Group Sensor Open Systems Architecture™ (SOSA) Technical Standard and the U.S. Army CCDC C5ISR Center’s C5ISR/EW Modular Open Suite of Standards (CMOSS). Complementing industry standards, such as OpenVPX™ and Future Airborne Capability Environment (FACE™), the SOSA Technical Standard defines common hardware and software components for sensor processing systems.

“Sensor Open Systems Architecture (SOSA) standard VPX solutions for Army, Air Force, and Navy

Trusted, Proven Solutions Aligned to the SOSA Technical Standard and CMOSS

Curtiss-Wright is committed to delivering the broadest selection of reliable, high-performance hardware developed in alignment with the SOSA Technical Standard and CMOSS. We are an active participant in the development of the SOSA Technical Standard itself through our membership in the SOSA Consortium, ensuring our products will be ready to meet future requirements, alleviate interoperability challenges, and deliver a variety of benefits to mission-critical C5ISR systems.

Our innovative products designed to meet CMOSS and SOSA program requirements provide the hardware foundation for next-generation defense capabilities, like machine learning and artificial intelligence. And our system integration experts are ready to provide the expertise and services to bring your system to market even faster.

Explore our portfolio of solutions developed in alignment with the SOSA Technical Standard and CMOSS:

3U VPX Processor & GPGPU Cards


The CHAMP-XD3 processor card provides the latest Intel Xeon D-1700 processing power for unmatched performance in a 3U form factor.

  • High-performance embedded computing
  • Proven foundation for machine learning
  • Strengthened security capabilities
  • Aligned to the SOSA Technical Standard

The powerful VPX3-1260 Intel-based processor card is ideal for advanced processing and various C5ISR applications, and offers variants aligned to both I/O Intensive and Payload Profiles.

  • Advanced processing capability
  • Enhanced security for Trusted Computing
  • Military & Aerospace Electronics Innovators Awards Gold Honoree

The CHAMP-XD1S Intel-based digital signal processor (DSP) is designed to offer high performance and hardened security for compute-intensive applications, and is aligned to the I/O Intensive Profile.

  • Ideal for radar, electronic warfare (EW), and SIGINT applications
  • Enhanced security for Trusted Computing
  • High-speed data transport
VPX3-4935 GPGPU board

The rugged VPX3-4935 GPGPU board provides a top-tier module for intense processing and artificial intelligence (AI) in High Performance Embedded Computing (HPEC) systems, and is aligned to the Payload Profile.

  • Cutting-edge NVIDIA Quadro Turing GPU architecture
  • Support for artificial intelligence and machine learning
  • Lightning-speed data processing

3U VPX A-PNT Timing Card


Designed to enable assured positioning, navigation, and timing (A-PNT), the VPX3-673 specialized SBC simplifies the integration of complementary PNT sources and is aligned to the Radial Clock Profile.

  • A-PNT facilitator in challenging environments
  • Server for radial clock distribution applications
  • Military & Aerospace Electronics Innovators Awards Gold Honoree

3U VPX Networking Cards


The VPX3-663 hybrid switch combines PCIe Gen 3.1 and 10G Ethernet switching in a single 3U VPX module, and is aligned to the Expansion/Control Plane Switch Profile.

  • High-performance 3U VPX connectivity
  • Flexible PCIe connectivity
  • Feature-rich Ethernet

The VPX3-687 is a fully managed and versatile 40G/10G Ethernet Switch optimized for both low-latency control plane and high-throughput data plane applications, aligning with the Data/Control Plane Switch Profile.

  • High-performance non-blocking architecture
  • Supports a range of security features
  • Military & Aerospace Electronics Innovators Awards Gold Honoree

3U VPX Software Defined Radio Card

VPX3-E320 Ruggedized Universal Software-Defined Radio (SDR)

The VPX3-E320 Ruggedized Universal Software-Defined Radio (SDR) module is ideal for low-to-medium bandwidth RF applications and is compatible with the USRP Hardware Driver (UHD) maintained by NI.

  • Design based on the Ettus Research USRP E320
  • Support for industry standard SDR development tools and USRP tool flows
  • RF: 2x2 MIMO (2 Rx, 2 Tx)
  • Frequency range: 70 MHz to 6 GHz (<30MHz planned)
  • Bandwidth: up to 56 MHz

3U Systems

8-Slot CMOSS/SOSA Enclosure

The 8-Slot CMOSS/SOSA 3U OpenVPX Enclosure provides the highest functional density available using natural convection cooling and is aligned to CMOSS/SOSA Technical Standard 1.0.

  • Natural convection cooling
  • Dual, load-sharing/redundant power supplies
  • Embedded Chassis Manager
  • Slots for A-PNT, network switch, legacy I/O, and RF payloads
CMOSS/SOSA Starter Kit

The CMOSS/SOSA Starter Kit helps kickstart your development cycle. The SWaP-optimized kit features:

  • VPX3-1260 SBC, VPX3-673 A-PNT Module & the VPX3-687 Switch Module
  • Compact system for ground combat vehicles
  • Natural convection cooling

Read our brochure to learn more about the benefits of the SOSA Technical Standard and our open standards-based solutions. 

SOSA™ and logo design and The Open Group Certification Mark™ are trademarks of The Open Group in the United States and other countries.

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