What year was the first component of the space station which Cygnus CRS OA-6 completed 5 flights to launched into orbit?
Cygnus CRS OA-6 Cygnus CRS OA-6, also known as Orbital Sciences CRS Flight 6, is the sixth flight of the Orbital ATK unmanned resupply spacecraft Cygnus and its fifth flight to the International Space Station under the Commercial Resupply Services contract with NASA.
Pirs (ISS module) Pirs (Russian: Пирс , meaning "pier") -- also called "Stykovochny Otsek 1" or "SO-1" (Russian: Стыковочный отсек , "docking module", or DC-1 (docking compartment) -- is one of the two Russian docking compartments originally planned for the ISS. "Pirs" was launched in August 2001. It provides the ISS with one docking port for Soyuz and Progress spacecraft, and allows egress and ingress for spacewalks by cosmonauts using Russian Orlan space suits.