Combat bunker „Wąwóz” - commander – second lieutenant of the reserve Antoni Chudziński, 4 non-commissioned officers, 13 privates, in total – 18 soldiers. Heavy, concrete combat bunker „D” type, armaments – 1 anti-tank gun, calibre 37 mm, 4 machine guns, calibre 7,92mm – two of them in the rifle ranges, one at the top of the bunker. Armored combat-observation dome has not been installed, only sandbags on the roof of the bunker were arranged. Lack of ventilation, lighting, waterworks and communication. „Wąwóz” has one emergency escape, rocket launchers, grenade dumps and optical signalic device. There was a one defensive shooting, but it was blown. Bunker built in the period July-August 1939 took an active part in the battles 2-3 September 1939. September 3th bunket could not fire in the direction of the west because of damage of anti-tank gun and machine gun. Soldiers tried to repulsed the German troops attack from the side of Żabnica village until all ammunition and grenades ended. After that, under the cover of darkness, soldiers retreated. Part of the crew joined the polish army and fought until the capitulation near Lvov. Commander of a bunker, second lieutenant Antoni Chludziński, was taken prisoner by Soviet and murdered by Russian in Charkov. In 1939 Germans blowed up the bunker.