Kagnew Station's tracts were designated by the letters A through H. Tract A is the old Italian Navy's Radio Marina site. "Radio Marina" translates to "Radio Navy". It is located within the city of Asmara. When the Italians were defeated by the English forces during World War II, Radio Marina became controlled by the British military administration until they left Eritrea. At that time the British handed off Radio Marina to the United States. While the United States had access to base since 1942, a formalized agreement to permit the United States use of the site did not exist until 1952 when the Ethiopian government, the federation of Eritrea and the United States signed an agreement. When construction had progressed enough on Tract E, Kagnew Station officially opened on Tract E in 1958. Tract A remained active and underwent changes in the following two decades including the former parade ground and ball field becoming dependent housing areas. Following the withdrawal from Kagnew Station by the U.S. military, Tract A by Mengistu Haile Mariam's troops and Tract A was then called Algen Camp. Tract B was the STRATCOM receiver site and was the site closest to the Asmara airport. Following the withdrawal from Tract B by U.S. Military forces the Tract B site was used as a prison. On May 19, 2004, Amnesty International reported, under the heading of "Secret Prisons in Eritrea" the existence of a secret prison on Tract B (also known as "Track B," which they stated was located near the airport in Asmara. The prison was said to hold Eritrean People's Liberation Front veterans, conscripts, alleged armed Islamists, and people accused or forging identity documents or smuggling army deserters out of the country. Tract C was known as the Operations Site. It was located west of Tract E and its large antenna field was slangly referred to as "the funny farm". The site operated 24 hours a day. Operations on Tract C ceased March 24, 1972. Tract D was the STRATCOM transmitter site and was located near a dam. The dam by tract D blown up by shifta in mid-1972. Tract E was the Kagnew Station headquarters for the completely self-contained U.S. Cold War intelligence facility located in the isolated province of Eritrea, Ethiopia, (now the State of Eritrea). Kagnew Station was an oasis of luxury in the poverty stricken land of Eritrea. Tract E was supplied