New Polar Missile Warning Satellites Hit Ground Design Review

Rendering of the next-generation overhead persistent infrared polar satellites, being built by Northrop Grumman.

Credit: Northrop Grumman
The U.S. Space Force’s next-generation missile warning satellites destined for polar orbit and an associated ground system completed two key reviews in late August. The Next-Generation Overhead Persistent Infrared (OPIR) Polar program completed its ground critical design review (CDR) and the Future...
Vivienne Machi

Vivienne Machi is the military space editor for Aviation Week based in Los Angeles.

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