We hear that after years of development, @NASA_Orion's rendezvous system was deemed too unreliable for the cis-station project. So, the effort is underway to upgrade it. INSIDER CONTENT: https://t.co/KZE3WlnXSu pic.twitter.com/7m5sYLcyR5

— Anatoly Zak (@RussianSpaceWeb) November 27, 2018