Energiya-buran: The Soviet Space Shuttle Apr 2026

: Some atmospheric test variants, like the OK-GLI , were equipped with jet engines that allowed them to take off from a standard runway under their own power for flight testing. The Maiden Flight

The program was the Soviet Union's most ambitious and expensive space project, designed as a direct response to the U.S . Space Shuttle. Though it looked strikingly similar to its American counterpart, the system featured significant engineering differences that made it technically superior in several ways—even though it flew only once. Key Technical Differences Energiya-Buran: The Soviet Space Shuttle

The program was primarily driven by military concerns—specifically the fear that the U.S. Shuttle could be used as a "space bomber" to target Moscow. However, following the in 1991, funding evaporated. : Some atmospheric test variants, like the OK-GLI

: The Buran was designed for fully autonomous flight from the start. Its only orbital mission was conducted entirely without a crew, including a precise automated landing in high winds—a feat the U.S. Shuttle never attempted. Though it looked strikingly similar to its American