The Ye-8 sought to replace the MiG-21 with radar, missiles, and Mach-2 performance, but engine failures ended the program while shaping future Soviet fighter design.

For decades, a Cold War-era bomber watched over U.S. 31 from the outdoor display at Grissom Air Museum. The B-58 Hustler Bomber, the first aircraft capable of Mach 2 flight, moved at a snail’s pace ...