The Fujita Plan: Japanese Attacks on the United States and Australia During the Second World War
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The ship in the gunners’ sights was the American freighter Samoa under the command of Captain Nels Sinnes, who was about to be abruptly awoken by the report of a submarine close by. The Samoa had already sustained damage, but not from enemy action. She had been caught by a heavy storm which had washed away one of the ship’s lifeboats. The Samoa also had a noticeable list to port, as the engineers had been shifting water in the ballast tanks following the battering from the ocean. The pronounced list, and the remnants of the wooden lifeboat hanging from its launching davits, would be providential in saving the ship from the attentions of the I-1 7 in the minutes that followed.
Captain Sinnes quickly dressed and, grasping a life jacket, ordered his crew to muster at their lifeboat stations. The sailors frantically stripped the covers from the open boats and began swinging them out on their davits ready to launch when the Japanese opened fire. Five times the I-17’s deck-gun barked, its flat high velocity report sounding out across the empty sea, the armour-piercing shells tearing towards the defenceless Samoa. Four missed to fountain in the choppy ocean, the Japanese gunners pitching hot, steaming shell cases overboard as others fetched fresh shells from the ready locker. The fifth shell exploded above the Samoa with an ear-splitting crack, white-hot shrapnel pummelling the deck. The Japanese submarine was rolling erratically on the disturbed sea, making it difficult for the gunners to accurately target the American ship, and they were reduced to flinging shells in the general direction of the enemy vessel and hoping for a lucky strike. Commander Nishino quickly tired of this pointless shooting and ordered a surfaced torpedo attack, the fish leaving the I-17’s bow with a hiss of compressed air and a trail of bubbles, quickly crossing the barely seventy yards that separated hunter and prey. In the early dawn light it appeared to the crews of both vessels to be a foregone conclusion.
Incredibly, as the crew of the Samoa braced for impact and a thunderous explosion, nothing happened. The torpedo passed clean underneath the merchant ship. The blind torpedo cruised on a short distance and then erupted in a massive tumult of water, smoke, fire and flying shrapnel. Fragments of the torpedo thumped harmlessly onto the Samoa’s deck, the I-17 a low black shape that drifted ominously closer to the American ship. Officers aboard the submarine attempted to assess the damage the torpedo, which they erroneously assumed had struck the Samoa, had caused. Now perhaps no more than forty feet from the side of the merchant ship, the early morning gloom frustrated their efforts. Still the I-17 closed with the Samoa, coming to within fifteen feet of the hull. Someone aboard the I-17, according to the Americans, yelled out in English ‘Hi ya!’ Captain Sinnes yelling back ‘What do you want of us?’ when he already knew the answer. From his position alongside the Samoa Nishino observed the vessel’s heavy port list and assumed she was doomed. The I-17 slowly pulled away and disappeared. Nishino instructed his radio operator to report a successful kill to the I-15, coordinating submarine operations from her position off San Francisco.3
The Samoa arrived safely in San Diego on 20 December after her close encounter, saved by storm damage and the poor early dawn light. On the same day Nishino redirected his submarine to its original position off Cape Mendocino, some twenty miles from the American coast. The crew of the I-17 awaited another target of opportunity, buoyed up by their apparent first successful sinking of an enemy vessel of the mission. The day wore on with no sightings of American merchant ships, until, bathed by early afternoon winter sunshine, the lookouts were once more laboriously scanning the horizon and biding their time. Nishino made no attempt to disguise his presence so close to the coast, believing he had little to fear from American naval or air forces still reeling from the devastating attack on Pearl Harbor fourteen days previously. Just after 1.30 p.m. the sight of the oil tanker Emidio heading towards San Francisco rewarded Nishino’s patience. The Emidio was only carrying ballast, returning empty from Seattle’s Socony-Vacuum Oil Company facility.
Captain Clark Farrow reacted as swiftly as he could to the report of a submarine gaining on his ship. Nishino aboard the I-17 ordered full power, the big diesels churning confidently ahead, the submarine making fully 20 knots, her exhausts trailing blue clouds of fumes into the clear Pacific air. Captain Farrow lightened his ship, dumping ballast that made the Emidio steady in the water but painfully slow, frantically ringing ‘full speed ahead’ on the engine room telegraph. The I-17 cut through the water, closing rapidly on the Emidio’s stern, crew racing to man the deck-gun as Nishino manoeuvred his boat for the attack. It was imperative that the American ship be prevented from radioing for assistance, and therefore reporting Nishino’s position to United States forces. Captain Farrow was already a step ahead of Nishino, however, as he had ordered his radio operator to send the following short Morse message: ‘SOS, SOS: Under attack by enemy sub.’4
Nishino ordered the gun crew into action, the first shell exploding close to the Emidio’s radio antenna, blowing the fragile communication mast into useless scrap. In rapid succession the submarine’s gun banged twice more, the shells screaming across the ocean into the defenceless Emidio, a lifeboat exploding into smouldering matchwood. Ashore, the US Army Air Corps were already scrambling a pair of medium bombers following the receipt of the Emidio’s distress signal and position, in the hope of destroying the Japanese submarine. Captain Farrow realized his ship was doomed, as the bombers would take some time to arrive, and he ordered the engines stopped. Meanwhile, the plucky radio operator had managed to restore communications with the shore by erecting a makeshift antenna. A white flag was hastily run up a mast and the tanker gradually slowed. The crew worked feverishly to swing out the remaining lifeboats while under constant shellfire from the I-17, Nishino ignoring the white flag and refusing to give the merchant seamen time to depart in the boats. It was not long before another shell found its mark, blowing three unfortunate crewmen into the water as it ploughed into their lifeboat. Twenty-nine crewmen were crowded aboard the lifeboats and pulled hard on the oars in an attempt to get clear of the Emidio, while four men, including the resourceful radio operator, remained aboard the ship, perhaps from a refusal to give up the vessel, or out of ignorance of the order to abandon ship issued by the captain.
On board the I-17 lookouts had reported two black dots approaching from the mainland, which could only mean aircraft. Nishino ordered the bridge cleared, the submariners hastily clattering down into the pressure hull, securing the hatches as the submarine blew its tanks and slid beneath the waves in a swirl of white water. The Emidio’s remaining crewmen now turned their eyes skyward as the American bombers roared in low over the stricken merchantman. The two aircraft circled the spot where the I-17 had a moment before submerged, eventually releasing a single depth charge. The I-17 lurched violently as the depth charge detonated, but it was not close enough to cause the submarine any damage. Perhaps realizing that the American aircraft lacked the wherewithal and experience to launch a more devastating and coordinated anti-submarine attack Nishino did the opposite of most submarine skippers in his position. Ordering the I-17 to periscope depth Nishino swiftly relocated the fully stopped Emidio. Orders were issued to partially surface the boat, and a torpedo was launched at the stationary American ship 200 yards distant. The torpedo ran true, impacting in the Emidio’s stern and detonating inside the ship with a massive blast of fire, smoke and debris. The Emidio lurched over as the engine room rapidly filled with freezing seawater. The torpedo claimed two of the four crewmen who had not vacated the ship earlier, and a third was injured. The radio operator, topside in his shack, frantically transmitted ‘Torpedoed in the stern’ before throwing himself clear of the ship into the sea. The surviving engineer, though wounded, also managed to struggle clear of the Emidio, and along with the radio operator he was plucked to safety by the small flotilla of lifeboats standing off the tanker.5
The I-17 slipped once more beneath the waves as the two American bombers roared in to resume their ineffectual attack. Another depth charge plummeted into the sea and det
onated in a giant plume of white water, concentric circles created by the sonic force of the explosion pushing out from the epicentre. The I-17 escaped damage once more and motored quietly away from the scene, sure again of a confirmed kill.
The Emidio, though grievously wounded and abandoned by her crew, drifted off with the current. Lost for several days from human eyes, this Second World War Mary Celeste eventually ground up against jagged rocks opposite Crescent City, California, over eighty miles from her encounter with the I-17. As for her crew, their ordeal was to be sixteen hours in open boats and battling through an unsettling rainstorm before rescue by the US Coast Guard lightship Shawnee located off Humboldt Bay.
The I-23, another Type-B1 Japanese submarine with orders to sink unescorted American merchant ships, was active at the same time as the I-17 was attempting to sink the tanker Emidio. Constructed at the Yokosuka Navy Yard, the I-23 had entered service in September 1941. She was just in time to play a crucial part in ‘Operation Z’, the submarine contribution to the Japanese victory at Pearl Harbor. On 13 December the I-23 began her relocation from the waters off Hawaii for the west coast of the United States.
On 20 December the I-23 was approximately twenty miles off Monterey Bay, California, and with a target in sight. The American tanker Agwiworld, a 6,771-tonner belonging to the Richmond Oil Company was the Japanese target. Like a fighter pilot swooping down on a hapless rookie opponent, Lieutenant-Commander Shibata approached the oblivious Agwiworld with the early afternoon sun behind his boat, a classic attack from out of the sun. Coupled with a heavy swell the big Japanese submarine’s approach behind the tanker was unobserved. The first the Agwiworld and her captain, Frederick Goncalves, knew of the presence of the Japanese submarine was the thump of the impact and explosion of a 140mm armour-piercing shell in the ship’s stern. The I-23 moved into a firing position to enable her deck-gunners to blast the tanker to scrap. However, due to the rough conditions, the Japanese sailors experienced difficulties loading and aiming the deck-gun. The I-23’s deck was awash as the boat rolled and pitched in the swell. Captain Goncalves did everything he could to make the Agwiworld as difficult a target as possible to hit, zigzagging through the whistling shells, probably eight or nine of them, before the I-23 was seen to submerge.6 Commander Shibata had clearly lost interest in his prey. The heavy seas and the fact that in order to achieve a good attacking position he would have had to have driven the I-23 harder would have risked the lives of his gunners, who could have been swept overboard. A further factor which precluded a more determined assault on the tanker originated in the submarine’s own radio room. The operator alerted his captain to the fact that the enemy ship had reported the Japanese submarine’s attack to the US Navy, and assistance in the form of anti-submarine assets were undoubtedly on their way.
Shibata and the crew of the I-23 were frustrated as they departed from the scene of their first attack on an American ship to search out further prey. Some time later Shibata encountered the 2,119-ton American merchant ship Dorothy Phillips. Employing an identical method of attack as that used against the Agwiworld, gunners again pumped high velocity armour piercing rounds into the hapless steamer. Although the I-23 successfully disabled the Dorothy Phillips’s steering by wrecking the ship’s rudder with a shell strike, a torpedo attack was not pressed home, presumably because the sea conditions were still unfavourable. Nevertheless, the Dorothy Phillips eventually ran aground so Shibata had scored a victory of sorts.7
Lieutenant-Commander Kanji Matsumura was an experienced submarine skipper, having previously commanded the RO-65, RO-66 and RO-61 before commissioning the I-21 into service on 15 July 1941. As with the other boats assigned to operations along the United States west coast, the I-21 was formerly part of the submarine task group that made up an element of ‘Operation Z’. On 9 December the submarine I-6 had reported a Lexington-class aircraft carrier and two cruisers heading north-east. The Japanese were well aware that although they had scored a notable victory against the US Pacific Fleet’s battleship squadron they had failed to sink or damage a single American aircraft carrier. It was imperative that American carriers be sunk or damaged wherever found for the Japanese themselves had already demonstrated the power of naval aviation in this new conflict, and the days of the big-gun battleship appeared to be numbered. Vice-Admiral Shimizu at 6th Fleet Headquarters at Kwajalein, on receiving the intelligence report from the I-6, immediately ordered all submarines not involved with the launching of the midget submarines during the Pearl Harbor operation, known as the Special Attack Force, to proceed at flank speed and sink the American carrier. The I-21 was included in Shimizu’s force sent to intercept the vessel later identified as the USS Enterprise, but her progress was hampered by problems with the submarine’s diesel engines and electrics. Carrier-based Douglas SBD Dauntless aircraft spotted the I-21 on the surface on a number of occasions, necessitating Matsumura to crash-dive. Matsumura became increasingly fed up with constantly being forced beneath the waves by patrolling American aircraft. He decided upon a bold course of action – to remain surfaced and take on the enemy aircraft with his anti-aircraft armament. Motoring on the surface at 1 p.m. on the afternoon of 13 December a lone Dauntless attacked the submarine from the port side, but the accuracy of the Japanese anti-aircraft barrage caused the pilot to abort his attack run and go around for a second attempt. Diving towards the port side of the submarine again the American aircraft released a single bomb which slammed into the sea close to the I-21, but which failed to detonate.
Following the unsuccessful operation to intercept and sink the Enterprise and her escorts, on 14 December Matsumura and the I-21 were assigned a new patrol area off Point Arguello in California, a promontory of land fifty-five miles north of Santa Barbara. Motoring just below the surface close to the shore on the morning of 22 December, Commander Matsumura spotted the H. M. Story, a Standard Oil Company tanker, as he scanned the horizon at periscope depth. For two days the I-21 had waited in this position, only coming to the surface at night to recharge the submarine’s batteries and air the boat. Lookouts aboard the H. M. Story never spied the periscope mast cutting through the waves, as the instrument’s blank gaze determined the American ship’s speed and course. Matsumura now seized his opportunity and ordered the I-21 to surface. The bulky submarine rose majestically to the surface, ballast tanks blowing noisily and hatches clanking metallically as officers and men manned the conning tower bridge and the deck-gun, the air thick with bellowed commands. As Matsumura and his officers fixed the H. M. Story in their binoculars the submarine’s deck-gun blazed into life.
Witnesses ashore said they saw a torpedo running in the sea, as the I-21 was between the H. M. Story and the quiet beach at Point Arguello. The tanker was approximately three miles from the shoreline. What had first attracted the witnesses’ attention was the report of the submarine’s deck-gun, but the gunners view of the target was quickly obscured by thick black smoke emitted from the H. M. Story as the vessel attempted to avoid destruction. What was believed to have been a torpedo was observed rapidly exiting the smoke screen as the H. M. Story went full ahead. The Japanese Long Lance torpedo shot through the water towards the tanker, occasionally coming to the surface, slapping white spray off the tops of the waves as it did so. Matsumura was once more unsuccessful as the torpedo passed in front of the tanker.8 This indicates again the limiting effect of the order issued to submarine commanders to only expend one torpedo per merchant ship. If the German method of firing a spread of two or three torpedoes had been employed the H. M. Story, and probably many other merchant ships throughout the region, would have almost certainly been struck. The use of the deck-gun to attempt to wreck a merchant ship’s communications equipment, as well as hasten the ship’s sinking, was also proving to be a suspect attack method. The H. M. Story was able to radio for assistance, and shore-based US Army Air Corps bombers quickly arrived on the scene. These aircraft dropped several bombs in an attempt to destroy the now submerged I-21, but with
out effect. More importantly, however, was the fact that Matsumura had intercepted and failed to sink two American tankers, on each occasion being forced to give up the hunt and slink off frustrated to attempt to locate some other target.
North of Point Arguello along the coast is the little town of Cayucas, and by the early morning of 23 December the I-21 was sitting quietly on the surface off the settlement, all eyes scanning the horizon. At 3 a.m. lookouts spotted the Larry Doheny, a twenty-year old empty Richmond Oil Company tanker skippered by Captain Roy Brieland. The Larry Doheny was six miles off Cayucas when Matsumura attempted once again to disable a ship with his deck-gun. The first shot roused the crew aboard the Larry Doheny, Captain Brieland frantically ordering the helmsman to deviate from his course and begin zigzagging in a desperate attempt to throw the Japanese gunners off target. In fact, Brieland’s evasive manoeuvres had almost succeeded in stalling Matsumura’s attack, for the Japanese skipper, after two shots had missed from his deck-gun, was about to issue the order to curtail the attack. The I-21 was hampered by both darkness and by Brieland’s violent evasive manoeuvring of his ship. However, at the last moment a lookout reported the enemy ship to be less than 200 yards from the submarine, and, importantly, exposing her port side. Matsumura ordered an immediate torpedo attack, the Long Lance quickly crossing the water between the two vessels. However, luck was on Brieland’s side, for as the Larry Doheny made another turn the Japanese torpedo sailed past the tanker and exploded some way off, the massive detonation clearly audible to the citizens of Cayucas already woken by the firing of the submarine’s deck-gun.9 With the expending of a torpedo Matsumura followed his standing orders and broke off the attack. The Larry Doheny had survived, but was, ironically, to come to grief at the hands of another Japanese submarine the following year, also off the west coast.