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Mission engineering for space and border security

We test, verify, and engineer the systems that watch over space and the border.

Since 2009, GreenDart has been a mission partner to the U.S. Space Force and DHS, making sure the systems they field do what they were built to do.


  • $3.6T in annual trade processed through systems we have operationally tested*
  • 45M global visitor admissions a year processed by systems we test*
  • 70 systems integrated across the national defense programs we support
  • 200K+ credentials issued each year through the systems we operationally test*

What We Do

Five Disciplines. One Question: Is It Ready for the Mission?

When failure is not an option, we build certainty. We plan and run the tests, trace every requirement, find the cyber risks, and turn the data into decisions clients can defend.

Credentials: 2018 DHS Small Business Achievement Award

SBA-certified HUBZoneTop Secret facility clearanceOASIS+ Small Business, T&E Domain

Test and Evaluation

Operational testing that tells you whether a system is ready to field.

We plan, execute, and report developmental and operational T&E for complex hardware and Agile software programs. Our teams have field-tested mission-critical security systems, set enterprise standards for Agile OT&E on massive global trade and cargo platforms, and conducted end-to-end assurance for critical national credentialing and operational infrastructures.

Test and Evaluation

Twelve years supporting DHS’s most consequential operational test programs — from cargo systems to mariner credentialing.

  • 20 major test events planned and executed
  • 10 ports of entry and field sites tested
  • $3.6T in annual trade processed through systems we have operationally tested*
  • 45M global visitor admissions a year processed by systems we test*
  • 200K+ credentials issued each year through the systems we operationally test*
Verification and Validation

Verification and Validation (V&V)

Independent confirmation that what was delivered is what was required.

We identify and mitigate risk, trace requirements through test execution, and verify results. We assess developer plans and deliverables for completeness and completion, then advise customers on acceptance, keeping our view independent of the developer’s.

We provide V&V support across space and ground programs.

  • 69+ satellites in the constellation our V&V supports
  • 2,000 mariner training programs approved and assessed through systems we test*
  • 6B+ global users of the GPS satellite constellation our work supports*

Cybersecurity Assessments/ Resiliency

Find the cyber risks that matter before test and deployment do.

In a Cyber Table Top (CTT) assessment we identify high-priority, high-mission-impact threats, analyze system survivability, and assess security standards and compliance. We then define targeted follow-on analysis and testing to confirm and quantify the real risks, giving the project manager, engineering and test teams concrete ways to reduce risk across the lifecycle. Our resilience specialists also support integrated assessments across national space systems.

Cybersecurity Assessments and Resiliency

Our Cyber Table Top assessments have identified $M+ in annual customer cost savings.

  • 4 mission-critical systems assessed with CTT
  • 1 specialist trusted for integrated space systems resilience assessments
  • $M+ in annual customer cost savings identified through our CTT assessments*
Data Analytics

Data Analytics

Test data turned into decisions a program manager can defend.

We build and apply predictive and cognitive models that drive our T&E and V&V work. We assess data integrity for source, content and pedigree, and develop tools and methods matched to domain, statistical and gap requirements. Our Enterprise Analytics Platform now serves dashboards for two major customer programs.

We’ve traced 331 requirements and 500+ user stories through Agile sprints.

  • 239 functional requirements traced through Agile sprints
  • 92 operational requirements traced through Agile sprints
  • 500+ developer user stories traced to test results

Systems Engineering and Integration

Sixteen years engineering the space systems the nation depends on.

We deliver SE&I execution (requirements traceability, planning, architecture development and control, enterprise impact monitoring, risk assessment), SE&I controls (configuration and data management, integrated master schedule) and enterprise integration across the nation’s missile-warning and GPS constellations — from the original Defense Support Program and SBIRS through the Next Generation GEO and Polar satellites, and the GPS IIF/III constellations and Military GPS User Equipment (MGUE).

Systems Engineering and Integration

We have supported U.S. Space Force missile-warning and GPS/PNT programs continuously since 2010.

  • 16 years of continuous SE&I on missile-warning and GPS programs
  • 20+ systems integrated across the missile-warning architecture
  • 50+ systems integrated across the GPS architecture

We’re ready to prime or partner on your next mission-critical program.

“For 17 years, GreenDart has tested, verified and engineered mission-critical systems for the United States. Our work supports systems that process 45 million global visitor admissions and $3.6 trillion in trade every year, and we’ve integrated more than 70 systems across the nation’s missile-warning and GPS architectures.”