Comment by roryirvine

The current models are much fancier but until 2019 they were using various variations of the old Alvis Wheelbarrow, which dated all the way back to 1972!

https://www.rafmuseum.org.uk/research/collections/remotec-wh...

They were a fairly common sight on the streets of Belfast in the 1980s/90s, where carrying out controlled explosions on unattended vehicles proved to be a remarkably effective deterrent against illegal parking...