The reactors were to replace diesel generators and boilers that provided electricity and space heating for the Army 's radar stations .
From 1954 to 1955 , the U.S. Army evaluated their need for nuclear reactor plants that would be operable in remote regions of the Arctic .
The reactors were to replace diesel generators and boilers that provided electricity and space heating for the U.S. Army 's radar stations .
From 1954 to 1955 , the U.S. Army evaluated their need for nuclear reactor plants that would be operable in remote regions of the Arctic .