Only the sharp lookout kept had saved them-thatand the depth charge.

It's the same concept as dropping a depth charge near a submarine.

A second depth charge blew metal and flames into the sky.

That shows that a submarine was knocked to flinders by that depth charge!

The depth charge crew jumped to their stations and immediately started dropping depth bombs.

A depth charge is a bomb timed to go off at a certain depth.

The depth charge was also used with telling effect.

Into this usual melee a depth charge was dropped.

I'm going to hit it with a depth charge.

The name dropped through me like a depth charge.

The Americans hit us with something stronger than a grenade, apparently some kind of practice depth charge.

That is, until a depth charge sunk his vessel, and his career, when he was just sixteen.

However, the depth charge solved that question.

But every now and again a band comes along packing both a surface breeze and a depth charge.

Giant bubbles of air broke the surface foam like a massive depth charge had been detonated deep below.

Grenades were used in firing, a depth charge explosive timed to go off at a certain distance under water.