The National Aeronautics and Space Administration (NASA)

the National Aeronautics and Space administration (NASA) is the agency of the United States government that is responsible for the nation's civilian space program and for aeronautics and aerospace research. Since February 2006, NASA's mission statement has been to "pioneer the future in space exploration, scientific discovery and aeronautics research." On September 14, 2011, NASA announced that it had selected the design of a new Space Launch System that it said would take the agency's astronauts farther into space than ever before and provide the cornerstone for future human space exploration efforts by the U.S.

The Central Intelligence Agency (CIA)

The Central Intelligence Agency (CIA) is an independent civilian intelligence agency of the United States government. It is an executive agency and reports directly to the Director of National Intelligence, with responsibility for providing national security intelligence assessment to senior United States policymakers. Intelligence-gathering is performed by non-military commissioned civilian intelligence agents, many of whom are trained to avoid tactical situations.

The Federal Bureau of Investigation (FBI)

The Federal Bureau of Investigation (FBI) is a governmental agency belonging to the United States Department of Justice that serves as both a federal criminal investigative body and an internal intelligence agency (counterintelligence). Also, it is the government agency responsible for investigating crimes on Indian reservations in the United States under the Major Crimes Act. The branch has investigative jurisdiction over violations of more than 200 categories of federal crime.

Articles about United States of America

The United States of America is a federal constitutional republic consisting of fifty states and a federal district.