Airport Reference Code. About Airport Reference Codes. The Airport Reference Code (ARC) is a coding system developed by the Federal Aviation Administration to relate airport design criteria to the operational and physical characteristics of the airplane types that will operate at a particular airport. (The ARC is part of design standards established in the FAA Advisory Circular 150/5300-13, Airport Design, June 2008.)
The United States dropped atomic bombs on the Japanese cities of Hiroshima and Nagasaki in August 1945, during the final stage of the Second World War.The two bombings, which killed at least 129,000 people, remain the only use of nuclear weapons for warfare in history.he discovery of nuclear fission by German chemists Otto Hahn and Fritz Strassmann in 1938, and its theoretical explanation by Lise Meitner and Otto Frisch, made the development of an atomic bomb a theoretical possibility.
192,020 - Total number of those killed in Hiroshima, combining those killed instantly and those killed from radiation and other aftermath. The revised total was released at a ceremony on the 50th anniversary of the bombing. 3 - Number of days between the first and second atomic bombs dropped on Japan.On August 9, 1945, an implosion-model plutonium bomb code-named Fat Man, was detonated over Nagasaki. More than 70,000 - Number of people killed instantly in Nagasaki by the bomb.he decision by the United States to use the atomic bomb against Japan in August 1945 is credited with ending World War II. Here is some background information about the history of the atomic bomb, by the numbers: 2 - Number of atomic bombs dropped on Japan during World War II.