o7
I found my box of gridsquares long ago
I would have imagined it was called "Thud" because of what it is seen carrying there…
Whether it was the sound of 50,000 pounds of metal uncontrollably impacting the earth, or the light-hearted shortening of the name Howdy Doody’s Indian rival, Chief Thunderthud, the F-105 became known affectionately as the “Thud” by those who flew and maintained it.