The Buran spacecraft, GRAU index 11F35 K1 was a Soviet orbital vehicle analogous in function and design to the US Space Shuttle and developed by Chief Designer Gleb Lozino-Lozinskiy of RKK Energia. To this day, Buran remains the only space shuttle vehicle from the Soviet Buran program that was launched into space before the program closure. The Buran completed one unmanned spaceflight in 1988. There were four other Buran shuttles named OK-1K2 Ptichka, OK-2K1 Baikal, Shuttle 2.02 and Shuttle 2.03 some of which flew only test flights and were incomplete. The program was cancelled in 1993. In 2002, the Buran was destroyed when the hangar in which it was stored, located at the Baikonur cosmodrome, collapsed.