During Mir's extended operational life, cosmonauts routinely ventured outside the station to perform maintenance that kept the increasingly troubled complex functioning. These repairs, less glamorous than dramatic rescues, represented the unglamorous daily labor that let Mir remain crewed for over a decade despite fires, collisions, and equipment failures.
By the mid-1990s, Mir was aging badly—its systems patched together well past its original design life, its solar panels degraded by years of micrometeorite impacts and thermal cycling. Keeping it habitable required cosmonauts to spend hours in bulky Orlan spacesuits outside the station, tethered by cables, working with tools that could easily slip from gloved fingers into the void.
These spacewalks lacked the drama of Apollo moonwalks but demanded comparable precision: swapping degraded solar arrays, inspecting hull damage, and replacing experiment packages exposed to the harsh environment of space. Mission planners in Star City choreographed each excursion months in advance, aware that a single mistake—a torn glove, a lost tool, a stuck hatch—could prove catastrophic.
The unglamorous persistence of missions like this one is easily overshadowed by Mir's more famous crises, including the 1997 fire and collision with a resupply craft. But it was this steady rhythm of exterior repair work, mission after mission, that let the station remain the longest continuously operated research platform in orbit until the International Space Station eventually surpassed it.