Mach

A longtime punk rocker in his homeland, he formed the band Mach 1.67 with filmmaker Sogo Ishii in 1996 and later played in the bands Peace Pill and Safari.

Iran unveiled the missile last year and claimed it could reach Mach 15 — or 15 times the speed of sound.

Hypersonic weapons, which fly at speeds higher than Mach 5, could pose crucial challenges to missile defense systems because of their speed and maneuverability.

Hypersonic weapons are designed to exceed Mach 5, or five times the speed of sound, posing a threat to regional missile-defense systems with their speed and maneuverability.

At the age of 7 or so, Miles is working toward his third MACH, or Master Agility Championship.