This operational flight profile is thought to be unique in civil space history.

BBC: German radar satellites fly tight space waltz

If a flight is canceled for operational reasons (such as a mechanical problem or crew scheduling conflicts) most airline contracts stipulate that you have to be put on the next available flight, even if it's on another airline.

NPR: Don't Pack that Pumpkin Pie Just Yet...

Its baggage handling, airbridges and flight information display systems may have been operational, but there was evidently too little time for proper tests and training.

CNN: A Date with Disaster

Applicants for experimental permits will need to provide a description of their program, a flight test plan, documentation showing the operational safety of the spacecraft and a plan for response in case of a mishap.

FORBES: Magazine Article

Friedman said one review his office conducted last year turned up backlogs in flight and laboratory test schedules for five of nine nuclear missile warheads and bombs in the operational stockpile.

CENTERFORSECURITYPOLICY: Center For Security Policy

All of this data is collated and matched against client-employee information, GPS coordinates, detailed flight information for every aircraft that is part of an itinerary for each employee and a matrix of client operational rules and requirements.

FORBES: Names You Need To Know: NC4 Situational Readiness