Microsoft Flight Simulator X: Steam Edition – North American XB-70 Valkyrie

A technological tour de force of epic proportions, the legend of the XB-70 Valkyrie very nearly surpasses the performance of this extraordinary aircraft. Built in the 1960s as a result of a USAF proposal for a supersonic bomber with high subsonic cruising speed and supersonic dash capabilities, the massive XB-70 was to have carried the...