Kvant stop now: Mir grows again
The Soviet Union launches the third Mir space station module, Kvant-2, to rendezvous and dock with Mir under automated control. With an airlock to make spacewalks easier, and additional living space and life support, Kvant also includes bathing facilities, water storage and reclamation systems (including a system to collect, detoxify and recycle human urine), and additional scientific equipment.