Anti-submarine mortars (also called "depth charge throwers" or "depth charge projectors" for most cases) are artillery pieces deployed on ships for the purpose of sinking submarines with a …

This spigot mortar was the first ahead-throwing anti-submarine weapon of World War II in British service. More popular and more successful with the USN than with the Royal Navy, possibly …

Oct 31, 2022 · Anti-submarine mortars delivering depth charges to short-range date back to World War II but gun launching is a new concept, enabled by the accuracy of modern naval guns.

Dec 31, 2025 · That’s where the Hedgehog ASW mortar changed the game. This video breaks down what the Hedgehog was, why it was built, and how it helped surface ships attack …

Mar 24, 2025 · Hence, the Royal Navy developed a deadly efficient ASW weapon to complement its depth charges: the Hedgehog spigot mortar.

The Creusot-Loire four-barrel 305-mm anti-submarine warfare (ASW) mortar launched both depth bombs against submarine targets and demolition charges against shore targets. It was one of …

LIMBO, or Anti Submarine Mortar Mark 10 (A/S Mk.10) Limbo A/S Mk.10 was the final development of the forward-throwing anti-submarine weapon Squid, and was developed by …

The Hedgehog (also known as an Anti-Submarine Projector) was a forward-throwing anti-submarine mortar that was used primarily during the Second World War. The device, which …

The anti-submarine mortar is actually an array of spigot mortars, designed to fire off a number of small explosives simultaneously and create an array of explosions around a submarine's position.

A 15 cm (5.9") ASW mortar was developed for transports and merchant ships. This was in a cradle mounting allowing 360 degree traverse and had recoil and runout cylinders.