As OA-4 Cygnus Departs, Commercial Cargo Providers Prepare for Busy Visiting Vehicle Manifest

The OA-4 Cygnus spacecraft is pictured high above Bolivia, just prior to release by Canadarm2. Photo Credit: NASA/Scott Kelly/Twitter

Friday morning’s unberthing and departure of Orbital ATK’s OA-4 Cygnus cargo ship from the International Space Station (ISS)—wrapping up the first U.S. visiting vehicle mission of 2016, as well as marking the longest stay-time of [...]