Sortie (noun)

1. A military operation in which troops leave a fortified area to attack enemy forces.
2. A sudden attack or raid carried out by a military force.
3. An act of going out or leaving a place, especially a military establishment.

Origin:

From old french, from sortir ("to go out"), from latin sortīre.

Examples:

1. The sortie was planned to take place under the cover of darkness.
2. The soldiers took part in several sorties against the enemy lines.
3. The sortie was successful and the enemy was caught off guard.
4. The sortie was a bold move by the commander and demonstrated his strategic prowess.
5. The sortie was the first time the soldiers had seen action in the war.