Above the quiet and peaceful Tantolunden's allotment garden area, there is a forgotten remnant from the not-so-peaceful times - Tantolunden's anti-aircraft stand. It was built to defend the Årsta Bridge (Årstabron) and the Liljeholmen Bridge (Liljeholmsbron) against possible air raids by the Germans during the readiness years 1939 to 1945. If it had once been used, Stockholm would probably look very different today.

Unlike the towers that were usually erected for this purpose, here it was chosen to build foundations to place the cannons on. The weaponry included two 40 mm anti-aircraft automatic cannons of type m/36 from Bofors. They were wheeled and stored in guarded warehouses when the situation was calm. Seven soldiers worked at each piece. The entire facility was staffed with 47 men whose average age was around 35 years. If the defence had broken down, the idea was to blow up the Årsta Bridge before the enemy could use it. 

Today, four emplacements remain, while the rest have been demolished or sealed.