In 1982 my cousin drove 200 miles to watch the fleet returning from the Falklands war, he borrowed a cine camera but couldn't find any sound film anywhere so he bought silent film as it was better than nothing.
He filmed the whole spectacle of the ships coming in, fire tenders with their hoses shooting high into the air, thousands of sailors stood on deck
when the film ran out he put the camera down and absorbed the atmosphere of the day, when it was all over he picked the camera up and noticed he'd left the lens cap on, no film recorded, not even any sound, to say he was gutted was an understatement