The United States and its allies provided supplies to West Berlin for approximately one year during the Berlin Blockade. This massive airlift operation transported essential goods to the city from June 1948 until September 1949. The airlift symbolized Western commitment against Soviet encroachment during the Cold War. ;
The device delivers a current of 15.0 A for 30 seconds, resulting in a total charge of 450 C. This charge corresponds to approximately 2.81 x 10^21 electrons flowing through the device. Thus, a large number of electrons pass through during this time duration.
;