RT @ESA_History: #OTD 20 Feb 1986 assembly of #Mir space station begins with launch of core module astronautix.com/project/mir.ht… https://t.co/Z4PgwZoQKU
RT @ESA_History: #OTD 20 Feb 1986 assembly of #Mir space station begins with launch of core module astronautix.com/project/mir.ht… https://t.co/Z4PgwZoQKU