Congolese watch as an African worker inside the abandoned United Nations headquarters at Port City of Matadi scrapes off identifying U.N. letters on March 6, 1961, following defeat and withdrawal of the U.N. Garrison. the military victory of Congolese troops marked the gravest defeat yet suffered by the U.N. forces trying to preserve peace in the Embattled Congo. Letter spell out the French language title of the U.N. Congo Forces. (AP Photo)