At some point during the tail end of World War II, a creative engineer at North American Aviation looked at the P-51 Mustang and wrote a memo to his boss stating that if one Mustang was amazing, then two Mustangs merged together by steel and rivets would be possibly the greatest thing to fly, ever. With one cockpit devoted to radar and the other to flying, the F-82 Twin Mustang — nicknamed “double trouble” — was born. What they didn't know was that the Twin Mustang was destined to cement it's place in history over the skies of Korea.
Benjamin Franklin nailed it when he said, "Fatigue is the best pillow." True story, Benny. There's nothing like pushing your body so far past exhaustion that you'd willingly, even longingly, take a nap on a concrete slab.