U.S. cooperation with the EU is based on the Transatlantic Declaration of 1990 and the New Transatlantic Agenda (NTA), adopted in 1995. This cooperation, which has been gradually deepened and broadened, takes place on many levels and includes summit meetings at the level of heads of state and government between the U.S., the European Commission and the country holding the EU Presidency.
U.S. Mission to the European Union is the direct link between the U.S. Government and the European Union in Brussels, Belgium. Once focused primarily on the trade and economic aspects of the transatlantic relationship, the Mission has evolved with the EU as it has taken on new political, judicial, foreign policy, and defense responsibilities. Staff of the U.S. Mission to the EU (USEU) includes representatives from the Department of State (Political, Economic and Public Affairs Sections), the Foreign Agricultural Service (FAS), Office of the U.S. Trade Representative (USTR), the Foreign Commercial Service (FCS), the Department of Homeland Security, the Department of Justice, the Department of Defense (DoD), and the U.S. Agency for International Development (USAID).
Find more information on the history of the U.S. – EU relationship and the different sections and offices at USEU.