 In June 1945 , Westcott became an Army employee again , and in the post @-@ war years he transitioned to employment with the U.S. Atomic Energy Commission ( AEC ) after its formation in 1946 . In 1966 he was assigned to the AEC headquarters near Washington , DC , in Germantown , Maryland , where he worked for the AEC and its successor agencies ( the Energy Research and Development Administration and Department of Energy ) until retiring in 1977 . He photographed nuclear power stations all over the United States . 
