Hasta alguien podría decir al EFA. La convergencia evolutiva tecnológica es lógica, pero sólo es un parecido general superficial. Rascando luego entre los citados no tienen nada que ver.
The original Rockwell SNAKE configuration with downturned wingtips and thrust vectoring paddles.
The modified SNAKE configuration after the Langley tests with upturned wingtips, wing leading-edge flaps, enlarged vertical tails, enlarged wing-fuselage strake, and nose strakes.
Modified SNAKE model flying at extreme angle of attack using thrust vectoring in the Langley Full-Scale Tunnel.