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About Sentinel
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Protected: Space Tracking and Surveillance System (STSS) Tester
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Powering the Artemis Generation
By Brandon Hartman and Kendra Kastelan Building on the legacy of the Apollo and Space Shuttle programs, Northrop Grumman is pushing the limits of possible with the Artemis program, which will land the first woman and first person of color on the moon. The Artemis missions, fueled by the Space Launch System (SLS) rocket, will […]
Propulsion Systems
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Missile Defense
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Made It Possible: Robert Romero and Empowering Future Rocket Scientists
If you would have told me when I was a young boy growing up on a Colorado dairy farm that I would get the opportunity to design, build and test rocket motors for a living, I never would have believed you. My father was a dairyman who left school when he was in sixth grade […]
Lessons from Dawn
I’ve touched the Apollo 14 vehicle, witnessed the first flight of the C-2A cargo aircraft and watched Dawn leave the Earth – Life at Northrop Grumman […]
Launch a Career in Systems or Software Engineering in Space
Launch a systems or software engineering career in space with Northrop Grumman […]
Launch a Career in Space with Northrop Grumman
Northrop Grumman has job opportunities that play a vital role in human space exploration, national defense, and scientific discovery, supporting multiple programs across the universe. […]
Keeping Astronauts Safe with NASA’s Orion Spacecraft’s Launch Abort System
Northrop Grumman keeps astronauts safe with its launch abort system that will be part of the Artemis mission. […]
Technical Details for the James Webb Space Telescope
Technical Details Mission Lifetime 5 years (10-year goal) Orbit L2 (the Second Sun-Earth Lagrange Point), 1,500,000 km from Earth Sunshield Dimensions Approximately 22 meters x 12 meters Primary Mirror 6.5 meter diameter aperture Wavelength Coverage 0.6 to > 27 microns Diffraction Limit 2.0 microns One-Year Sky Coverage 100% Telescope Operating Temperature ~45 Kelvin (-380˚F) Payload […]
IEEE
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Space Tracking and Surveillance System (STSS)
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Minotaur Rocket
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Pegasus Rocket
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Sentinel – The Ground Based Strategic Deterrent
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Ground-based Midcourse System
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James Webb Space Telescope
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GEM 63 Updates
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Engineering Marvel: The JWST Mega Sunshield Takes its Shape
Imagine having to squeeze an enormous mirror and a sunshield that’s the size of a tennis court into a rocket ship. This is the reality of an intricate deployment process engineers have incorporated into the construction of the James Webb Space Telescope. […]
Eagle Spacecraft
Eagle Spacecraft […]
Sentinel – Studies and Reports
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The Backplane of NASA’s Webb Telescope Offers a Strong, Steady Hand
The backplane of James Webb Space Telescope will hold the weight of more than 5,300 pounds of optics and instruments — while staying calm in a cold environment. […]
Cygnus Spacecraft
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NASA Commercial Resupply Mission Update
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Space Legacy
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NASA Commercial Resupply Mission NG 17
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Cygnus NG-14 Mission Page
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Advanced Technology Microwave Sounder
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Civil and Commercial Space
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Artemis
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Communications Satellites
Contact Us Commercial Communications Satellites: Vicki Cox […]
Dawn Spacecraft
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Commercial Communications Satellites
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SpaceLogistics
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Counter Hypersonics
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Cutting Edge Optronics – Doing Business with CEO
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Cutting Edge Optronics
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Space
We provide end-to-end space capabilities for a broad range of customers like NASA, the Department of Defense (DoD), US Air Force, US Space Force and a variety of commercial entities. Northrop Grumman will win the future of space. […]
Digital Engineering Triumph MEV Revitalizes Satellites in Space
Northrop Grumman is reimagining satellite services, creating a line of industrious spacecraft that refuel and repair satellites. […]
DAWN Spacecraft: Uncovering the Relics of the Early Solar System
NASA’s DAWN spacecraft, designed and built by Northrop Grumman, captured over 100,000 images of the two different proto-planets, allowing scientists to catalog their previously unknown history. […]
Creating Zero G on a Planet Weighed Down by Gravity
Thanks to weights, pulleys and other forms of ground support equipment, Northrop Grumman engineers can mimic the weightlessness of zero G. […]
Commercial Rocket Motors
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Chandra X-Ray Observatory
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Business Sectors
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Antares Rocket
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An Ingenious Device: The Pinch Polarizer Is Used All Over Space
The pinch polarizer is an invention by Northrop Grumman aerospace engineers. It’s a big deal in the space industry because, for relatively little cost and little production effort, it plays a big role in ensuring the transmission of satellite radio signals. […]
A Lasting Legacy
How a NASA legend’s family helped insprire my career By Freddie Langley As one of the key flight controllers on the NG-15 mission that sent the S.S. Katherine Johnson Cygnus spacecraft to the International Space Station in February 2021, I had what you could call a full-circle moment. My connection to the NG-15 namesake, Katherine […]
Propelling Space and Defense Missions: Solid Rocket Motor Expertise
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