|Engine 11D68 detail - Closeup view of the 11D68 Block D lunar crasher stage showing detiail of the BOZ orientation/ullage thrusters that control the stage during coast, restart, and maneuver.|
Credit: © Mark Wade. 43,376 bytes. 393 x 424 pixels.
|Block D / 11D68 - Aft view of the Block D lunar crasher stage and its 11D68 engine. The Block D would have taken the LK lunar lander to near the surface of the moon. This stage remains in use today atop the Proton rocket.|
Credit: © Mark Wade. 52,122 bytes. 398 x 580 pixels.