With a top speed of Mach 3.35, or 2,221 mph, the Lockheed A-12 “Archangel” or “Oxcart” is the fastest air-breathing jet ever built—even faster than its larger two-seat cousin, the SR-71 ...

Archangel-12, the precursor to the SR-71, coolest plane ever." Musk said Grimes was the one who came up with the name. "She's great at names," Musk said. But the confusion wasn't over.

An air-to-air left front view of a A-12 aircraft. This aircraft was lost over South China Sea on June 6, 1968 Of all the aircraft to name your child after, ‘Archangel-12’ is a fine choice.