This the early test bed of the Soviet Object 775.

• Which was the Object 734 hull & Object 775 turret which used the 125mm D-126 gun-missile launcher. In March 30, 1963 the Rubin missile system was approved and Chelyabinsk would begin work on the system.

• Early test beds of the D-126 would also include the Object 241. The ESU-125 ("Sfera") gun was used to test the guided Rubin and unguided BUR munitions. (4th picture)