Since it was formed 14 years ago, Aerion Corp. has considered the search for an established manufacturer to help develop and produce its supersonic business jet as critical to its success.  Rebuffed by business jet manufacturers, Aerion found help in the shape of Airbus Defense and Space, which came onboard in 2015 to provide engineering assistance with refining the concept. Airbus’ work is now done, and in its place Aerion has signed an agreement with Lockheed Martin that it ...