RC Surface Ship Dropping Functional Depth Charges on RC Submarine
(YouTube Link)
There's an annual remote control submarine regatta in Canberra, Australia. Here's a 2008 video of a RC surface warship in a pool dropping exploding depth charges on a RC submarine cruising beneath it. Below you'll see a video showing a subsurface perspective of what I think is the same incident.
(YouTube Link)
via Urlesque, where there are more examples of RC vehicles with deadly firepower
