In Ancient Greek, one of the final two or three syllables of a word carries an accent. Each syllable may contain one or two vocalic morae, but only one can be accented; accented morae are pronounced at a higher pitch.
US military to launch fastest-ever plane. By the time you finish reading this sentence, the Falcon HTV-2, the fastest plane ever built, could have flown 18 miles. It would get from London to Sydney in less than an hour, while withstanding temperatures of almost 2,000C, hotter than the melting point of steel.
It was the fastest Soviet military fighter aircraft of the Korean War and was deployed from 1949 to 1969. DH 103 Hornet 472 mph. Set a cross-country speed record on 9/18/49. Deployed from 1946 to 1956.