Sunday, November 8, 2026
TGOs

The business of defense

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Company

Mission Support & Test Services LLC

Mission Support & Test Services manages and operates the Nevada National Security Site for the National Nuclear Security Administration. ↗

OwnershipJoint venture of Honeywell, Jacobs and Huntington Ingalls ↗
Websitewww.nnss.gov ↗

Products

  • The Nevada National Security Site supports stewardship of the nation's nuclear deterrent and provides nuclear and radiological emergency response capabilities and training. ↗
  • The NNSS Remote Sensing Laboratory provides aerial measurements to detect, analyze and track radioactive material before and during emergencies. ↗
  • The Nevada National Security Site is an enterprise of multi-mission, high-hazard experimentation facilities that deliver technical and service solutions for national security. ↗

Customers

  • The National Nuclear Security Administration is the customer for which Mission Support & Test Services runs the Nevada National Security Site. ↗