In military

Military

A military is an organization authorized by its greater society to use lethal force, usually including use of weapons, in defending its country by combating actual or perceived threats. The military may have additional functions of use to its greater society, such as advancing a political agenda e.g...

 terminology, resistance or organised resistance refers to the ability of a military unit to continue to oppose an attack. Resistance ends when a unit surrender

Surrender (military)

Surrender is when soldiers, nations or other combatants stop fighting and eventually become prisoners of war, either as individuals or when ordered to by their officers. A white flag is a common symbol of surrender, as is the gesture of raising one's hands empty and open above one's head.When the...

s, when all members of unit are killed or captured, or when a unit disperses. The term is used in the phrase "organized resistance has ceased" to describe the end of a battle

Battle

Generally, a battle is a conceptual component in the hierarchy of combat in warfare between two or more armed forces, or combatants. In a battle, each combatant will seek to defeat the others, with defeat determined by the conditions of a military campaign...

 or campaign

Military campaign

In the military sciences, the term military campaign applies to large scale, long duration, significant military strategy plan incorporating a series of inter-related military operations or battles forming a distinct part of a larger conflict often called a war...

 when no formal surrender occurs after a unit is defeated. The term also occurs in the phrase "pocket of resistance

Salients, re-entrants and pockets

A salient is a battlefield feature that projects into enemy territory. The salient is surrounded by the enemy on three sides, making the troops occupying the salient vulnerable. The enemy's line facing a salient is referred to as a re-entrant...

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When a unit disperses, individuals who avoid capture may continue to resist the opposing force, e.g. by joining or forming a resistance movement

Resistance movement

A resistance movement is a group or collection of individual groups, dedicated to opposing an invader in an occupied country or the government of a sovereign state. It may seek to achieve its objects through either the use of nonviolent resistance or the use of armed force...

, but this resistance is no longer "organized resistance" in the military sense.