after-action report; after-action review.
Aircraft accident report.
Association of American Railroads
Axis2 ARchive file (extension .aar)
All-American Rejects
Air America Radio
American Academy of Religion
At any rate.
against all risks.
Any investigation after the conclusion of an activity, particularly when said activity produces an unwanted outcome.
An investigation of a corpse to determine the cause of death.
Occurring after death.
Having been inflicted or having occurred after death.