Inside an environmentally controlled shipping container, the Northrop Grumman's Cygnus spacecraft's pressurized cargo module (PCM) for the company's 20th commercial resupplky mission for NASA arrives at the Kennedy Space Center
Inside an environmentally controlled shipping container, the Northrop Grumman's Cygnus spacecraft's pressurized cargo module (PCM) for the company's 20th commercial resupplky mission for NASA arrives at the Kennedy Space Center