SpaceX's Cargo Dragon successfully delivers vital supplies to space station.

SpaceX's Cargo Dragon spacecraft successfully docked at the International Space Station carrying 7,000 pounds of supplies and equipment, including two add-on roll-out solar blankets. The two new ISS roll-out solar array blankets will be installed during a spacewalk on Friday and next Thursday. NASA is adding six IROSAs to the existing power system to provide the power needed to support agency-sponsored research, anticipated commercial activity, and the addition of one-or-more commercial modules between now and the station’s retirement at the end of the decade.