Soldiers operate a 40mm anti-aircraft gun on the roof of the Government Printing Office, June 1944. [Martin Luther King Library]
Capitol Police stand guard in front of the Senate side of the Capitol, January 1945. [Martin Luther King Library]
An air raid siren is tested not far from the U.S. Capitol, ca. 1943. [Martin Luther King Library]
Representative, and later senator, Margaret Chase Smith (far right) helps collect tin-ware for the war effort, July 1941. [Library of Congress]
A Red Cross mobile canteen outside the Capitol serves members of Congress and war workers in Washington, D.C., June 1942. [Library of Congress]
Gasoline rationing encourages workers to car pool in a "Sedanbus," July 1942. [Martin Luther King Library]
A war bond rally is held on the steps of the U.S. Treasury Building, with movie stars touring to raise money for the war effort, August 31, 1942. [Martin Luther King Library]
Boy Scouts aid the war effort by delivering posters that encourage a united fight for freedom, ca. 1943. [Library of Congress]
Faced with a ban on motor buses for sightseeing, one tour company uses a horse-drawn bus to make daily trips to the points of interest in the nation's capital, November 1942. [FDR Library, National Archives]
As part of the Program of Civilian Defense, Washington, D.C., public high school students perform military drills, April 1943 [Library of Congress]