Description
A small, efficient, and funkily-shaped upper stage. Comes complete with a probe core, to allow the stage to be deorbited after use, and a fairing mount for the upper stage and payload.
A stock subassembly called D-Block. Built with 15 of the finest parts, its root part is probeStackSmall.
A KSP recreation of the real-life Blok D upper stage, the D-Block forms the final (and root) stage of the Garnet launcher.
Built in KSP version 1.10.1.
(See also the bigger, later members of the series: the D-Block Plus and Mega D-Block.)