"accidental launch" - I am no rocket scientist, but that sounds bad.
In 2022 India accidentally fired a missile at Pakistan: https://www.scientificamerican.com/article/indias-inadverten...
In 1970 the USAF accidentally launched a missile carrying nuclear material, and it landed in Mexico: https://unredacted.com/2015/07/13/usaf-accidentally-launched...
I’m 1967 the accidental launch of a rocket on board the USS Forrestal killed 134 people and nearly destroyed the ship: https://nationalinterest.org/blog/buzz/uss-forrestal-acciden...