Click the arrow to watch the Sunita Williams video on YouTube.
NASA has posted on YouTube a 25-minute tour of the International Space Station, led by Expedition 33 commander Sunita Williams. Suni returned Sunday night to Earth after a four-month tour of duty aboard the ISS.
It's a semi-sequel to an April 2011 tour during Expedition 27 by Cady Coleman.
Click the arrow to watch the Cady Coleman video on NASA.gov.