A military tactic is a strategy used by armed forces to achieve a desired outcome in a conflict. SIEGE is a tactic in which an attacking force surrounds a defended location and isolates it from outside support, often with the intent of forcing a surrender. AMBUSH is a surprise attack from a concealed position, usually against an unsuspecting enemy. RAID is a short-term offensive operation with limited objectives, such as capturing personnel or equipment. An airoffensive is a coordinated attack by air forces against an enemy's ground forces, air defenses, or other targets.