(April 2012). A proof test is a form of stress test to demonstrate the fitness of a load-bearing structure, or rescue strop. An individual proof test may apply only to the unit tested, or to its design in general for mass-produced items. Such a structure is often subjected to loads above that expected in actual use, demonstrating safety and design margin.
The United States and North Korea do not have diplomatic relations. The Swedish Embassy in North Korea is the U.S. protecting power and provides limited consular services to U.S. citizens. The U.S. Special Representative for North Korea Policy is Ambassador Joseph Yun. The U.S. Special Envoy for North Korean Human Rights Issues is Vacant.
Fullscreen. North Korean soldiers ride in the top of a military truck on a road in Kaesong, North Korea. For weeks, North Korea has threatened to attack the U.S. and South Korea for holding joint military drills and for supporting U.N. sanctions.ortaits of the late North Korean leaders Kim Il Sung, left, and Kim Jong Il glow on the facade of a building as the Juche Tower, top left, one of the city's landmarks, is seen in the background at dawn in Pyongyang, North Korea, on Aug. 19, 2015.