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 ...

The Archangel-12, or A-12 for short, is considered to be America's first supersonic spy plane. But the spy plane was retired after one year as its successor was already in development.

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.

According to Grimes, the A-12 part of the name pays homage to the Lockheed Archangel-12, the plane that preceded the couples’ favorite aircraft: the SR-71 Blackbird.

According to one person on Twitter, the combination of symbols may be translated to “X Ash Archangel” – as Æ is pronounced “ash” and A-12 was the name of the CIA’s A-12 aircraft ...