New Kids on the Block | Server Message Block | Nick Jr. (block) | Ken Block | Block Island | Block 5A, South Sudan | Block 5A | block | Back on the Block | writer's block | Ron Block | heart block | Harlon Block | Community Development Block Grant | Attack the Block | William H. Block Co. | Walter Block | Unicode block | Uncle Croc's Block | Tuli Block | Tokyo Designers Block | Revenue block | Portsmouth Block Mills | Porter Block | Peter Block | New Kids on the Block: Live | Ned Block | Ken Block (rally driver) | Kelly Block | Jenny from the Block |
The rocket consists of a Zenit-2SB (Zenit-2M) core vehicle, with a Fregat-SB upper stage, developed by NPO Lavochkin of Russia, in place of the Block-DM used on the Zenit-3SL and 3SLB.