Formerly known as xpd54.
The opinions expressed in this post are my own and do not reflect the opinions or policies of my employer.
www.gunsnobbery.wordpress.com
Nothing so needs reforming as other people's habits - Mark Twain
Tact is the knack of making a point without making an enemy / Where is the wisdom we have lost in knowledge?
WWII anti sub weapon system, it projects a pattern of charges ahead of the attacking ship instead of rolling depth charges of the back or throwing them to the side. This allows you to fire while you still have a good sonar picture instead of losing the sonar contact as you pass over the sub.
https://en.wikipedia.org/wiki/Hedgehog_(weapon)
The modern equivalent is the RBU (Rocket Bomb Unit?) that uses rocket propulsion for greater distance and accuracy.
https://en.wikipedia.org/wiki/RBU-6000
Gringop
Play that song about the Irish chiropodist. Irish chiropodist? "My Fate Is In Your Hands."