
The U.S. Air Force 53rd Wing on June 14 tested the Northrop Grumman [NOC] Radar Aided Targeting System (RATS)--a system for improving the Northrop Grumman B-2 stealth bomber's weapon guidance accuracy in GPS-degraded environments, the 53rd Wing said. Last month's test, held at Tonopah Test Range, Nev., featured a B61-12 Joint Test Assembly (JTA). The B61-12 will eventually replace the B83 and four previous B61 variants in the nuclear arsenal. The non-profit, Washington-based Federation of American Scientists estimates that the…