 Monkey Mountain Facility

Monkey Mountain Facility (also known as Monkey Mountain SIGINT, Hill 621 or Panama) was a U.S. Air Force (USAF) and Marine base located on Sơn Trà Mountain east of Da Nang.The base was located on the peak of Sơn Trà Mountain, overlooking Danang Harbour and China Beach In 1962, the U.S. Navy Officer in Charge of Construction directed the American construction contractor RMK-BRJ to build a new Air Control Radar Station atop the north peak of the mountain, including 12 buildings at the bottom of the mountain and 11 buildings atop the mountain, as well as the road up the mountain to the north peak.