OK-1K2 is distinguishable from the other Buran-class orbiters by a red framework attached to the top of its cargo bay doors.
Construction of the second orbiter started in 1988, and although OK-1K2 was closest to being completed of any of the Buran-class orbiters (after the OK-1K1 orbiter), it was never finished. The program was officially canceled in 1993, at which point the shuttle was 95-97% complete.
Changed in 1991:
OK-1K2 is believed to be currently the property of Kazakhstan-Russia Joint Venture Company Aelita, a subsidiary of RKK Energia, but there is no reliable information nowadays. It is stored in the MZK building at Baikonur Cosmodrome together with its full mass-size layout. Location: .