The Penguins were an American Doo-Wop group of the 1950s and 60s, best remembered for the hit "Earth Angel". One of a number of Doo-Wop groups of the period named after birds (such as The Orioles, The Flamingos, The Crows[?] and others.)
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According to EADS, the maximum speed possible without reheat is Mach 1.5 (although this drops to Mach 1.2 with an air-to-air weapons load). ...