An action taken by military forces as part of a war.
An action that would justify the initiation of hostilities against the perpetrator; an action that by its nature comprises a cessation of peace.
An attack made by troops from a besieged position; a sally.
An operational flight carried out by a spacecraft involving a return to Earth.
An operational flight carried out by a single military aircraft.
An act of venturing out to do a task, etc.
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.