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The final test of a B-2A bomber radar aided targeting system has been conducted by the US Air Force. The system will enable weapon guidance accuracy in a GPS-degraded environment. reports that the Radar Aided Targeting System (RATS) equipped bomber dropped a B61-12 nuclear bomb during its final test at the Tonopah Test Range, Nevada, last month.

The software-only solution provides navigation updates to guided nuclear weapons such as the B61-12 in a non-GPS environment. This system is another step in the direction of rapid and innovative software development.