Figure 3-11. Repositioning Kvant module using Lyappa arm.

Lyappa arm (figure 3-10) attached to a fixture in the Mir base block’s multiport docking node and pivoted Kvant 2 from the front longitudinal port to its assigned lateral port (figure 3-11). Kristall, Priroda, and Spektr also carry the Lyappa arm.
Mir Hardware Heritage. NASA Reference Publication 1357 (March 1995).
David S. F. Portree / NASA