Idi Amin Soviet Union became Amin's largest arms supplier. East Germany was involved in the General Service Unit and the State Research Bureau, the two agencies that were most notorious for terror. Later during the Ugandan invasion of Tanzania in 1979, East Germany attempted to remove evidence of its involvement with these agencies. In 1973, U.S. Ambassador Thomas Patrick Melady recommended that the United States reduce its presence in Uganda. Melady described Amin's regime as "racist, erratic and unpredictable, brutal, inept, bellicose, irrational, ridiculous, and militaristic". Accordingly, the United States closed its embassy in Kampala. In June 1976, Amin allowed an Air
Charles Oboth Ofumbi in Gulu to being the assistant secretary in the Office of the Prime Minister. Under the Government of Milton Obote he was successively a chief accountant in the Defence ministry, acting Defence Minister and finally Defence Minister (1971). A good relationship with Idi Amin ensured that Oboth Ofumbi kept the role following Amin's coup in January 1971, serving as Defence Minister until 1973. Oboth Ofumbi died while awaiting trial for his part in an alleged coup attempt. It is generally accepted that he was murdered under the orders of President Idi Amin, although the official account is of a car