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The Arms Export Control Act

The Arms Export Control Act 22 U.S.C. 2778 of the Arms Export Control Act (AECA) provides the authority to control the export of defense articles and services, and charges the President to exercise this authority. Executive Order 13637 delegates this...

The Atmosphere Layers of Earth

Troposphere The troposphere starts at the Earth’s surface and extends 8 to 14.5 kilometers high (5 to 9 miles). This part of the atmosphere is the most dense. Almost all weather is in this region. Stratosphere The stratosphere starts just above the troposphere...

The Directorate of Defense Trade Controls

The Directorate of Defense Trade Controls The Directorate of Defense Trade Controls (DDTC), Bureau of Political-Military Affairs, in accordance with 22 U.S.C. 2778-2780 of the Arms Export Control Act (AECA) and the International Traffic in Arms Regulations (ITAR)...

The International Space Station

Space Station Facts 239 individuals from 19 countries have visited the International Space Station The space station has been continuously occupied since November 2000 An international crew of six people live and work while traveling at a speed of...

The International Traffic in Arms Regulations

The International Traffic in Arms Regulations The International Traffic in Arms Regulations (“ITAR,” 22 CFR 120-130) implements the AECA. These regulations are regularly updated and revised to reflect change in the international political and security...