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1.
In 1942–3, American submarines made 1619 attacks firing 5445
torpedoes and sinking 447 ships of 1,960,118 tons.
2. 1,029,144 tons were built in 1942-3.
3. Ashigara, Oi, Kitagami, Kuma and Kinu.
4. About fourteen old destroyers, frigates and submarine chasers.
5. These were the large U-boats of the ‘Monsun Group’
which arrived in the Indian Ocean from January 1944 onwards.
6. One torpedo was unserviceable.
7. As a warship she was numbered Wa4.
8. The Admiralty bravely suggested this would not be necessary
due to the strength of the RAF in India and Ceylon!
9. Aoba, Chikuma and Tone.
9a. Striking a mine is a possibility. Japanese mines had been
laid in the area of the Nicobar Islands where Stonehenge
was later ordered to patrol.
10. Lieutenant Commander Collett was awarded the American Legion
of Merit, Degree of Commander for this exploit.
11. Fourth Submarine Flotilla Eighth Submarine Flotilla
Adamant
Maidstone
Trespasser
Sea Rover
Templar
Surf
Tally
Ho Storm
Tactician
Stoic
Taurus
Truculent
Tantivy
Tantalus
12. Accommodation was available in the Dutch ship Plancius.
13. The motor yacht Maid Marion, the Italian Sloop Eritrea or
the
Sloop Poppy of the Royal Indian Navy.
14. Presumably a result of the Eastern Fleet’s attack.
15. Tally
Ho laid her twelve mines in three groups of four each, reloading
between each group. They were laid in water 7½–9 fathoms
deep. The first two groups were laid with the submarine at periscope
depth and the last group with the submarine on the surface.
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16. Sunk.
Kuma, UIT23 and three small warships. Twelve ships of 21,960 tons
and sixteen coasters, junks etc. Damaged. Kitagami, I37 and one
small warship. One ship of 1945 tons and four small vessels.
17. This was, in fact, the German U1062 on her way back to France.
After this attack she returned to Penang.
17a. Harukiki Maru was, unfortunately, carrying Allied prisoners
of War
18. She also reconnoitred the west coast of Sumatra on her way
there.
19. These casualties did not occur until 9th-10th September and
the last not until 27th March 1945.
20. This was the German U1062 on her second attempt to return
to France.
21. The converted Canadian Pacific liner Montcalm.
22.Second S/m Flotilla Fourth S/m Flotilla Eighth S/m Flotilla
Wolfe
Adamant
Maidstone
Statesman
Porpoise
Telemachus
Strongbow
Severn
Tantivy
Subtle
Clyde
Tantalus
Stygian
Terrapin
Spiteful
Shalimar
Trenchant
Sea Rover
Spirit
Tradewind
Sturdy
Tally
Ho Stoic
Tudor
Sirdar
Thorough
Storm
Thule
Zwaardvisch
O19
23. Mark II Chariot. Warhead 1100 lbs Torpex, Speed 4½
knots, Range 30 miles.
23a. Junyo Maru was, unfortunately, also carrying Allied Prisoners
of War.
24. In fact this torpedo had a CCR pistol and it was probably
a premature explosion.
25. It will be recalled that the ‘exchange rate’ is
the number of ships sunk in a given period divided by the number
of submarines lost in the same period.
26. Complete success is achieved in a war against commerce when
the traffic stops altogether and then the ships sunk will fall
to zero!
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