Q109039961

Next-Generation Overhead Persistent Infrared (Next-Gen OPIR) is being developed in the United States as the replacement for the current missile warning constellation, the Space-Based Infrared System (SBIRS).

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Ashkenaz, Calvinist Republic of Ghent, Chinland, Havilah, Kingdom of Martabam-hongsawatoi, Kingdom of Wolaita, Persia, Sikh Confederacy, Tarshish, Dong Fang Hong 2, Ekran, Republic of Haiti, space program, 

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