I suggest you look at the photos/videos of nuclear tests that the governments of the US and USSR have helpfully provided. Unless they could fake all that in the fifties, including all the glass-lined craters you can tour now, considerably more than two weapons successfully detonated, even if only those two were fired in anger.
Well George Pal was pretty awesome, plus the government was spending a lot of money on SFX back in the 1950s because they knew they were going to need the technology to fake moon landings in the 1960s.
They killed an unarmed cow? How could they?
Because it was a black cow, and they had to stand their ground.
It should be remembered as a hero.
It has a place of honor next to inanimate carbon rod.
Hearing the sonic boom of the B-52s
How does an aircraft with a max speed around mach 0.86 make a sonic boom?
If it happens once, it's a bug. If it happens twice, it's a feature. If it happens more than twice, it's a design philosophy.