White House Secret Service and the United States Park Police. NASAMS (Norwegian Advanced Surface to Air Missile System) were used to guard air space over Washington, D.C. during the 2005 presidential inauguration. The same NASAMS units have since been used to protect the president and all airspace around the White House, which is strictly prohibited to aircraft. White House The White House is the official residence and workplace of the President of the United States. It is located at 1600 Pennsylvania Avenue NW in Washington, D.C. and has been the residence of every U.S. President since John Adams in 1800. The term,
Pennsylvania Avenue National Historic Site Pennsylvania Avenue. This precedent was exercised 12 years later. On August 7, 1925, about 40,000 members of the Ku Klux Klan marched on Pennsylvania Avenue. The Klan repeated its march with a similar number of participants in 1926. The marches signified the height of the Klan's power in the United States, even as it was about to lose much of its strength. Another major demonstration on the avenue led to tragedy. In June 1932, thousands of homeless World War I veterans, their families, and their supporters occupied the recently condemned assemblage of buildings at the Federal Triangle construction site between