They are always authorized to escape when they become Prisoners of War. During wars Military personnel who are Prisoners of War recognized the necessity of escaping from captivity. Prisoners Of War are always prepared to escape whenever possible.
Personnel in any companies are always allowed to escape when they encountered unexpected and unplanned unsafe condition in their workplace. Example situations are when there is uncontrollable fire near their area or within the building where they are working, another is when there is gas or hydrocarbon release that might put their health condition at risk.