Northrop Grumman Launches Cygnus Cargo Spacecraft
A Northrop Grumman Antares rocket lifts off Feb. 20 carrying a Cygnus cargo spacecraft to the International Space Station. Credit: NASA/Patr...
A Northrop Grumman Antares rocket lifts off Feb. 20 carrying a Cygnus cargo spacecraft to the International Space Station. Credit: NASA/Patr...