The Nahverteidigungswaffe was a smoke candle discharger for German panzer

Panzer

A Panzer is a German language word that, when used as a noun, means "tank". When it is used as an adjective, it means either tank or "armoured" .- Etymology :...

s which could also be used as a close defense weapon to combat close assaulting infantry

Infantry

Infantrymen are soldiers who are specifically trained for the role of fighting on foot to engage the enemy face to face and have historically borne the brunt of the casualties of combat in wars. As the oldest branch of combat arms, they are the backbone of armies...

. It was a 92mm rotating launcher for smoke candles, mounted in the roof of the turret or superstructure, which also allowed the occupants to fire a flare pistol

Flare (pyrotechnic)

A flare, also sometimes called a fusee, is a type of pyrotechnic that produces a brilliant light or intense heat without an explosion. Flares are used for signalling, illumination, or defensive countermeasures in civilian and military applications...

 through it. The flare pistol could fire flares, smoke rounds or small calibre fragmentation grenade

Grenade

A grenade is a small explosive device that is projected a safe distance away by its user. Soldiers called grenadiers specialize in the use of grenades. The term hand grenade refers any grenade designed to be hand thrown. Grenade Launchers are firearms designed to fire explosive projectile grenades...

s.

Other methods of close defense involved attaching electrically fired s-mine

S-mine

The German S-mine , also known as the "Bouncing Betty," is the best-known version of a class of mines known as bounding mines. When triggered, these mines launch into the air and then detonate at about . The explosion projects a lethal spray of steel balls and fragments in all directions...

launchers at the four corners of the tank, or pistol ports.