Share This Article 1. On 7 April 1862 this Confederate stronghold on the Mississippi surrendered. Island No. 10 Fort Donelson Vicksburg, Mississippi Cairo, Illinois 2. The Area-51 facility was established in 1955 to develop this aircraft. The U-2 The SR-71 The F-117 The F-111 3. This country’s general staff was the first to use the “staff ride” as a training exercise. Germany Austria France Great Britain Loading …
