. . . . "an explosive sound caused by the shock wave of an airplane traveling faster than the speed of sound; \"a sonic boom follows an aircraft as a wake follows a ship\""@en-us . "07348041-n"^^ . . . "0"^^ . . "0"^^ . "106897548"@en-us . . . "107348041"^^ . "sonic boom"^^ . "sonic boom"@en-us .