Archaeopteryx

A very large aircraft with wings spanning "hundreds of meters wide". Its armaments are battleship sized guns, rapid guns, MLRS, missiles as well as large bombs. It's shape resemble a giant catamaran. It's strike by strafing into it's target, unleash its massive arsenal onto target.

History
This aircraft, along with the Wirbelwind, destroyed the majority of the retreating U.S. Pacific Fleet. After the attack, the whereabouts were unknown. Eventually, it turned up over the North Sea heading for London. The FF intercepted the huge behemoth and sent it to the bottom of the Dover Straits.