It all began in the distant past when a nation or a subnational group discovered that effective defense or its political and military ambitions could be achieved better with arms produced elsewhere than with domestically produced weapons. This was the experience of our own revolutionary forces 200 years ago. Sovereignty confers on governments the responsibility for national security. Sovereignty, therefore, implies that a military force makes a nation a credible and independent member of the international community. If a country is unable to produce the weapons its leaders consider essential for those military forces, it can secure them from a supplier country which has political, military, and/or economic reasons for exporting them. Until the mid1930s, governments of supplier countries only occasionally interfered with the export of arms. Large armaments firms like Krupp, DuPont, and Vickers sold munitions and arms worldwide without restrictions. As arms became more sophisticated, and were sold to belligerents during the thirties, there was increased concern about involvement in foreign wars. Most Western nations began to put restrictions, such as export licenses and end-use requirements, on commercial sales. Today, the sale of weapons has become a government-to-government or government-regulated activity. Most countries would rather deal directly with the government of a supplier country in negotiating and completing sales, largely because of credit availability and certain complementary services, such as