Its docking marked the first time four Russian spacecraft had been docked to the station at the same time; since the Soyuz TMA-16, Soyuz TMA-17 and Progress M-03M spacecraft were already docked.
Docking yang menandai pertama kalinya empat pesawat ruang angkasa Rusia telah merapat ke stasiun pada saat yang sama; sejak pesawat ruang angkasa Soyuz TMA-16, Soyuz TMA-17 dan Progress M-03m yang sudah merapat.