Orbital completes mission

The first of eight Cygnus operational cargo logistics spacecraft missions to the International Space Station has been successfully completed, according to Orbital Sciences. The Cygnus spacecraft unberthed from the ISS, completing a 37-day stay at the orbiting laboratory. Cygnus reentered Earth’s atmosphere over the Pacific Ocean today. Orbital has a $1.9 billion Commercial Resupply Services contract with NASA. (Source: BusinessWire, 02/19/14) Previous. The company's Antares launch vehicles is powered by engines tested at Stennis Space Center, Miss.