Au revoir Cygnus !

After 72 days remaining docked to ISS, Cygnus spacecraft (S.S. Deke Slayton II, OA-4) left International Space Station and started its last flight.  Mission finished, just like operational life of Cygnus OA-4. After 72 days being docked into Node-1 Nadir Common Berthing Mechanism (since 9 December 2015), it started today procedure of unberthing. Of course it could not […]