In July of 1951, the Western Allies agreed that Germany had to build a civil air
The Department of the Interior set up the committee for air defense in November of the same year, which in 1953 merged into the Federal Office for Air Defense.
In 1954, the German constitution was changed in order to give the government the authority to build a civil defense.
Integral parts of the civil air defense since 1956 were the ten so-called "Warnämter" (Warning Offices).
These were tasked with