After a system failure, the restoration of lost data or the reconciliation of conflicting or erroneous data.
— Computer Science1. In air (aviation) operations, that phase of a mission that involves the return of an aircraft to a land base or platform afloat. 2. The retrieval of a mine from the location where emplaced. 3. In personnel recovery, actions taken to physically gain custody of isolated personnel and return them to friendly control. 4. Actions taken to extricate damaged or disabled equipment for return to friendly control or repair at another location.
— USA Army