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  1. 22 hours ago · Boeing X-53 Active Aeroelastic Wing. The McDonnell Douglas F/A-18 Hornet is an all-weather supersonic, twin-engine, carrier -capable, multirole combat aircraft, designed as both a fighter and attack aircraft (hence the F/A designation ). Designed by McDonnell Douglas and Northrop, the F/A-18 was derived from the latter's YF-17 in the 1970s for ...

  2. en.wikipedia.org › wiki › Piper_AlphaPiper Alpha - Wikipedia

    22 hours ago · Piper Alpha was an oil platform located in the North Sea about 120 miles (190 km) north-east of Aberdeen, Scotland. It was operated by Occidental Petroleum (Caledonia) Limited (OPCAL) and began production in December 1976, [3] initially as an oil-only platform, but later converted to add gas production. Piper Alpha exploded and collapsed under ...