Nuclear football

Nuclear Football is the name given to a black briefcase which is carried along with the President of the United States at all times. This briefcase contains instruction manuals, radio transmitter and authentication codes for the Emergency Broadcast System. The briefcase is designed to be used by the President in case of emergency, to order the use of nuclear weapons. The briefcase is carried by a military aide for the President.

References

• http://www.usatoday.com/news/washington/2005-05-05-nuclear-football_x.htm
• http://www.globalsecurity.org/wmd/systems/nuclear-football.htm