# Northrop Grumman
*commercial . companies*

## Specifications
- **operator domains**: ["northropgrumman.com"]
- **entity type**: company
- **last verified date**: 2026-06-20
- **verified by**: agency-doc
- **claim status**: unclaimed

## Editorial
Northrop Grumman is a US defence and aerospace company with a substantial space systems division.[^wikipedia-northrop-grumman] The company designed and manufactured the Advanced Technology Microwave Sounder (ATMS), a cross-track microwave sounder built for NASA and NOAA under the Joint Polar Satellite System (JPSS) programme.[^ng-atms-page][^globenewswire-atms-jpss] ATMS provides atmospheric temperature and moisture profiling from polar orbit, and first-year on-orbit performance was documented after its initial deployment.[^ng-atms-ntrs]

## Sources
- [ng-atms-page] | Northrop Grumman - Advanced Technology Microwave Sounder | https://www.northropgrumman.com/what-we-do/space/mission-enabling-products/advanced-technology-microwave-sounder | tier=operator-engineering | accessed=2026-06-11
- [ng-atms-ntrs] | The Advanced Technology Microwave Sounder (ATMS): First Year On-Orbit - NASA NTRS | https://ntrs.nasa.gov/citations/20120015927 | tier=agency-doc | accessed=2026-06-20
- [globenewswire-atms-jpss] | Northrop Grumman to Complete ATMS for NASA JPSS (2011) | https://www.globenewswire.com/news-release/2011/09/14/456402/232433/en/Northrop-Grumman-to-Complete-Advanced-Technology-Microwave-Sounder-for-NASA-for-the-Joint-Polar-Satellite-Systems.html | tier=operator-engineering | accessed=2026-06-20
- [wikipedia-northrop-grumman] | Northrop Grumman - Wikipedia | https://en.wikipedia.org/wiki/Northrop_Grumman | tier=community | accessed=2026-06-20

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Source: https://eo-atlas.org/companies/northrop-grumman
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