A series of operations undertaken to achieve a set goal.
The period during which a blast furnace is continuously in operation.
Consistently ride in races for a racing season.
To take part in a campaign.
An act of venturing out to do a task, etc.
An operational flight carried out by a spacecraft involving a return to Earth.
An operational flight carried out by a single military aircraft.
An attack made by troops from a besieged position; a sally.
An act of trying to enter a new field of activity.
An attacking move.
Synonym of sally port (“an entry to or opening into a fortification to enable a sally”)
A series of aerial photographs taken during the flight of an aircraft; (by extension) a photography session.
To carry out a sortie; to sally.