Lockheed SR-71 Blackbird

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Was a long-range, Mach 3.5+ strategic reconnaissance aircraft developed by Lockheed and its Skunk Works® division. It was the first aircraft to be constructed mainly of titanium. A t full velocity the airplane surface heats up to over 260°C+ (500 °F). A total of 3,551 missions were flown and not one Blackbird was lost due to enemy military retaliation.Note: Skunk Works is the nickname for Lockheed's Advanced Development Programs. Skunk Works engineers have developed highly advanced, military aircraft, often in secret, since World War II. Number Of Sheets: 2.5 SheetsDifficulty: ModerateAssembled Size: 6.8" L x 3.6" W x 0.8" H (17.3 L x 9.15 W x 2 H cm) Ages14+ Show more