Unmanned orbital rocket plane Bor-4. Designed by Gromov flight research institute in 1976. Developed to test different types of heat shielding coating for Buran reusable spacecrafts.
Unmanned orbital rocket plane Bor-4. Designed by Gromov flight research institute in 1976. Developed to test different types of heat shielding coating for Buran reusable spacecrafts.