Here’s a test of one piece of obsolete equipment that didn’t go quite well.
https://www.youtube.com/watch?v=iePl9mnSI9Q
More military equipment fails.
https://www.youtube.com/watch?v=3qehUdr-d4A
https://www.youtube.com/watch?v=ytQxZHbt1nE
https://www.youtube.com/watch?v=QXjfwN4WW_o