deviation from the normal or common order, form, or rule
Part of those exercises included spending 30 straight hours in the simulator, running through different anomalies that could happen during their flight.
Scientific American
(Sep 16, 2021)
An avid skydiver, Horan has made more than three thousand jumps and serves on the board of the International Skydiving Museum and Hall of Fame.
Boots on the Ground: America's War in Vietnam
Was it relevant and based on sufficient and credible information?
A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age
I enumerated the many times that we had brought our grievances before the government and the equal number of times that we were ignored or shunted aside.
Long Walk to Freedom