Two marines were killed in a previous accident, in Pakistan.
Circumstances of this crash were very similar to the previous accident.
The company had a poor safety record, though with no previous fatal accidents.
Some previous accident or illness, where the knowledge had been needed for his recovery?
As had happened in previous nuclear accidents, the operators misread the situation.
During his career as pilot, Darius had never been involved in any previous accidents.
Indeed, as far as I am aware, there have not been any previous accidents of this nature within the tunnel.
This helped to explain previous accidents and prevent new ones.
He was killed by a drunken driver with God knows how many previous accidents.
The mine had a history of instability that had led to previous accidents, including one death.