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"Everyone has the jitters, seeing objects swimming about at night, and hearing
movements on ships' bottoms. It must stop!"
- Admiral Sir Andrew Cunningham, Commander in Chief of Britain's Mediterranean Fleet.
From their first triumph in March of 1941, The British were nervously on guard of a potential surprise
attack by the most effective and devastating branch of the Italian military of World War Two; the Navy
Special Assault Units.
| The Duke of Spoleto, who was a motor boat enthusiast, helped dream of the idea of a naval assault unit
for the Italian Navy. These units utilized Explosive Motor Boats, Torpedo Boats, Miniature submarines
and the infamous Human Torpedos (AKA: SLC or Maiale). By the end of the war, these units would sink, or severely
disable, 86,000 tons of Allied warships and 131,527 tons of merchant shipping.
In October of 1935, two sublieutenants proposed a radical new weapon which would eventually become
known as the Human Torpedo. The Italian Navy was so excited and aware of the potential of this new
weapon that they ordered a testing in La Spezia 3 months later. |
Italian Frogman |
The idea of a manned torpedo was
furnished from previous manned torpedo actions that occurred in both the Revolutionary War and World
War One. But it was the Italian 10th Light Flotilla, formed in 1940, that would perfect this deadly
new weapon.
| The 10th Light Flotilla was responsible for 28 ships sunk or damaged in World War Two. These ships
include the battleships HMS Queen Elizabeth, HMS Valiant, cruiser HMS York and 111, 527 tons of
merchant shipping. |
Italian Two Man Torpedo |
Partial listing of ships sunk or crippled by the 10th Light Flotilla |
| NAME |
TONNAGE |
LOCATION |
DATE |
| Durham |
10,900 Tons |
Gibraltar |
Sep, 1941 |
| Baron Douglas |
3,900 Tons |
Gibraltar |
July, 1942 |
| Raven's Point |
1,900 Tons |
Gibraltar |
July, 1942 |
| Kaituna |
10,000 Tons |
Mersin |
July, 1943 |
| Meta |
1,600 Tons |
Gibraltar |
July, 1942 |
| Camerata |
4,900 Tons |
Gibraltar |
May, 1943 |
| Stanridge |
6,000 Tons |
Gibraltar |
Aug, 1943 |
| Queen Elizabeth |
32,000 Tons |
Alexandria |
Dec, 1941 |
| Valiant |
31,000 Tons |
Alexandria |
Dec, 1941 |
| Harmattan |
4,600 Tons |
Algiers |
Dec, 1942 |
| Jervis |
1,700 Tons |
Alexandria |
Dec, 1941 |
| Mahsud |
7,500 Tons |
Gibraltar |
May, 1943 |
| Fernplant |
7,000 Tons |
Iskenderun |
Aug, 1943 |
| Empire Centaur |
7,000 Tons |
Algiers |
Dec, 1942 |
| Italian frogmen were not only deadly, but also very ingenious in their methods of attack. Known as
the "Floating Trojan Horse of Gibraltar", Italian frogmen used an imaginative method of destroying
enemy ships.
Gibraltar was very tempting to the Italians for their safe shelter of British warships and allied
merchant shipping. The Italian frogmen originally used a Spanish villa that was locateed 2 miles from
Gibraltar. It was owned by an Italian officer married to a Spanish woman named Conchita Ramognino.
This villa held the frogmen who would sneak out into the harbor and attack unsuspecting British
warships. But this proved very difficult and costly. The harbor was very well protected by
netting, patrol boats and search lights. Because of this difficulty, the Italians decided to
use a battered Italian merchant ship docked across the bay of Gibraltar. It was the 4,995
ton Olterra.
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The Olterra |
| Italian frogmen secretly replaced the crew with divers and technicians and built a workshop to house,
build and maintain human torpedos. A door was then cut 6 feet below the surface to allow these 2-man
human torpedos to come and go undetected. Replacement torpedos were shipped from Italy disguised as
boiler tubes. When the Italian frogmen commenced their attacks on British warships from this
location, it proved just as costly. Five out of six frogmen never returned. But when the Italians
decided to attack the merchant shipping, which was less protected, they were rewarded with easy
prey. Italian frogmen sank or damaged a total of 42,000 tons of Allied shipping.
The British
never did find out where these frogmen came from or where they gone. |
The Olterra redesigned for Human Torpedo attacks |
The feats of the Italian frogmen brought much envy and respect from the British. When the British
decided to create its own naval assault units, the trainees placed pictures of 10th Light Flotilla
on their walls for inspiration.
Source:
The Mediterranean, World War Two - Time Life Books-A.B.C. Whipple; Alexandria, VA.
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