"Spaceport America congratulates UP Aerospace on a successful launch and for being the first private commercial-space company to demonstrate independent payload re-entry." Source: Spaceport America CEO Christine Anderson.
Flights that are required to land at other than their original destination for reasons beyond the control of the pilot/company, e.g. periods of significant weather.
What you see on these 360+ pages is the result of a half-century of research, note-taking, and data-gathering that began one evening in Frank Tallman's retreat at Orange County Airport and rapidly got out of hand.