Operation Cartwheel

Toenails: The Landings
in New Georgia

Preparation

by James Miller, jr.

Admiral Halsey and his officers had begun planning and preparing for New Georgia in January 1943, before the end of the Guadalcanal Campaign. This process, which involved air and naval bombardments, the assembly of supplies, and reconnaissance of the target area, as well as the preparation and issuance of operation plans and field orders, continued right up to D Day, 30 June.

The Target

In climate, topography, and development, the Solomons are much like New Guinea and the Bismarcks. Their interiors were virtually unexplored. They are hot, jungled, wet, swampy, mountainous, and unhealthful. (Data for this subsection are taken from U.S. Navy hydrographic charts; military maps; MIS WDGS, Survey of the Solomon Islands; a terrain study in 37th Div records.)

New Georgia is the name for a large group in the central Solomons which includes Vella Lavella, Gizo, Kolombangara, New Georgia (the main island of the group), Rendova, and Vangunu, Simbo, Ganonnga, Wana Wana, Arundel, Bangga, Mbulo, Gatukai, Tetipari (or Montgomery), and a host of islets and reefs. (Map 7) From Vella Lavella to Gatukai, the cluster is 125 nautical miles in length. Several of the islands have symmetrical volcanic cones rising over 3,000 feet above sea level.

In addition to the multitude of small channels, narrows, and passages, navigable only by small craft, there are several large bodies of water in the group. The Slot, the channel sailed so frequently by the Japanese during the Guadalcanal Campaign, lies between New Georgia on one side and Choiseul and Santa Isabel on the other. Marovo Lagoon on New Georgia's northeast side is one of the largest in the world. Vella Gulf separates Vella Lavella from Kolombangara, which is set off from New Georgia by Kula Gulf. Blanche Channel divides New Georgia from Rendova and Tetipari.

The island of New Georgia proper, the sixth largest in the Solomons, is about forty-five statute miles long on its northwest-southeast axis, and about thirty miles from southwest to northeast. It is mountainous in the interior, low but very rough in the vicinity of Munda Point.

New Georgia proper was difficult to get to by sea except in a few places. Reefs and a chain of barrier islands blocked much of the coast line, which in any event was frequently covered by mangrove swamps with tough aerial prop roots. The best deepwater approach was the Kula Gulf which boasted a few inlets, but Japanese warships and seacoast guns defended much of the shore line of the gulf. There were protected anchorages in the southeast part of the island at Wickham Anchorage, Viru Harbor, and Segi Point. Munda Point, the airfield site, was inaccessible to large vessels. East and west of the point visible islets and reefs, and also invisible ones, barred Roviana and Wana Wana lagoons to large ships. Rounding the lagoons like a crude fence on the seaward side is a tangled string of islands, rocks, and coral reefs- Roviana, Sasavele, Baraulu, and others, some with names, some without. These all have cliffs facing the sea (south) and slope down to sea level on the lagoon side. The channels between the barrier islands were too shallow for ships. Nor could ships reach Munda Point from Kula Gulf and Hathorn Sound. Diamond Narrows, running from Kula Gulf to the lagoons, was deep but too narrow for large vessels.

Across Blanche Channel from Munda and her guardian islands lies mountainous Rendova, which could be reached from the Solomon Sea. Rendova Harbor, though by no means a port, offered an anchorage to ocean-going ships.

During the first months of 1943 coastwatchers covered the Solomons thoroughly. Buka Passage, between Bougainville and Buka, and Buin on southern Bougainville had been the sites of coastwatching stations for several months, and in October 1942 flying boats and submarines took watchers to Vella Lavella, Choiseul, and Santa Isabel. (By July, unfortunately, the Japanese were hunting the Bougainville coastwatchers so resolutely that the stations there had to be abandoned. See Feldt, The Coastwatchers, Ch. XI.)

At Segi Point on New Georgia was Donald G. Kennedy, a New Zealander who was District Officer in the Protectorate Government. Like Resident Commissioner William S. Marchant, the Anglican Bishop of Melanesia, and various other officials and members of religious orders, Kennedy remained in the Solomons when the Japanese came.[British] Central Office of Information, Among Those Present: The Official Story of the Pacific Islands at War (London: His Majesty's Stationery Office, 1946), pp. 11, 43.)

At Segi Point Kennedy organized a network of white and Melanesian watchers covering Kolombangara, Rendova, Vangunu, Santa Isabel, and Roviana. A Euronesian medical practitioner was posted on Santa Isabel. On Roviana Sgt. Harry Wickham of the British Solomon Islands Defense Force organized the natives to keep watch over Munda Point.

Kennedy raised a guerrilla band to protect his hideout at Segi Point, for the Japanese occasionally sent out punitive expeditions to hunt him down. The primary mission of the coastwatchers was watching, not fighting, but Kennedy and his band were strong enough to wipe out several patrols that came too close. On one occasion Kennedy and his men, aboard the ten-ton schooner Dadavata, saw a Japanese whaleboat systematically reconnoitering the islets in Marovo Lagoon. They attacked with rifles, rammed the whaleboat, sank it, and killed or drowned its company. (Ibid., P- 52.)

In addition to gaining information from terrain studies, interrogation of former residents, and coastwatchers' reports, South Pacific headquarters was able to augment its knowledge of New Georgia by a series of ground patrols.

The first such expedition was directed by General Vogel. Four officers and eight enlisted men from each of the four battalions of the 1st Marine Raider Regiment assembled on Guadalcanal on 17 March, then sailed to Florida to board amphibian patrol planes (PBY's) which took them to Segi Point. After Kennedy furnished them with native scouts and bearers, patrols went out to reconnoiter Kolombangara, Viru Harbor, Munda Point, and other areas. Traveling overland and by canoe, they carefully examined caves, anchorages, and passages. Their mission completed, all parties reassembled at Segi Point on 9 April.

The raiders' reports indicated that troops in small craft could be taken through Onalavisi Entrance to a 200-yard-long beach at Zanana, east of the Barike River. From there they could strike westward toward Munda. (I Mar Amphib Corps, Report on New Georgia Ground Reconnaissance: 21 March-9 April 43, 18 Apr 43)

Before D Day, additional patrols from the invading forces went to New Georgia and stayed.

From November 1942 until D Day, Munda and Vila airfields were continuously subjected to air and naval bombardments. Vila, located in a swampy region, was practically never used by the enemy. From January until D Day, Allied cruisers and destroyers shelled Munda four times at night, Vila three times. The net result of the continuous air bombardment and the sporadic naval shelling was that the Japanese could not base planes permanently at Munda. It was used, and only occasionally, as a forward staging field. (Morison, The Struggle for Guadalcanal, pp. 322-47; Morison, Breaking the Bismarcks Barrier, pp. io6-io; U.S. Strategic Bombing Survey, Interrogations of Japanese Officials (Washington, 1946), I, 142, 192; USSBS, The Allied Campaign Against Rabaul, P. 43; USSBS, The Thirteenth Air Force in the War Against Japan, p. 6; Southeast Area Naval Operations, II, Japanese Monogr No. 49 (OCMH), ig; Southeast Area Air Operations, 1942-44, Japanese Monogr NO. 38 (OCMH), PP. 7-11.)

Logistic Preparations

On Halsey's orders South Pacific agencies had begun assembling supplies and developing bases and anchorages for the invasion of New Georgia as early as January 1943. Admiral Turner, remembering his experiences in the Guadalcanal Campaign, suggested that supplies for the invasion be stockpiled on Guadalcanal, and in February movement of supplies to Guadalcanal (under the appropriate code name DRYGOODs) began. In spite of the fact that the port of Noum6a, New Caledonia, was jammed with ships waiting to be unloaded, in spite of the fact that port facilities at Guadalcanal were so poor, and in spite of a bad storm at Guadalcanal in May that destroyed all the floating quays, washed out bridges, and created general havoc, enough supplies for the invasion were ready on Guadalcanal by June.

This was accomplished by Herculean labor at Noumea, by routing some ships directly to Guadalcanal, and by selective discharge of cargo from other ships. The effects of the storm at Guadalcanal were alleviated by using the ungainly-looking 2 1/2-ton, six-wheel amphibian truck (DUKW) to haul supplies from ships to inland dumps over open beaches. By June 54,274 tons of supplies, exclusive of organization equipment, maintenance supplies, and petroleum products discharged from tankers, had been put ashore.

In addition many loaded vehicles, 13,085 tons of assorted gear, and 23,775 drums of fuel and lubricants were moved from Guadalcanal. to the Russells in June. Bulk gasoline storage tanks with a capacity of nearly 80,000 barrels were available on Guadalcanal. (COMSOPAC War Diary, 1 Jan 43 entry; Extract of recommendations submitted by COMAMPHIBFORSOPAC, Incl F to memo, Gen Peck for Gen Breene et al., 16 Jan 43, sub: Notes on Mtg Held in War Plans See COMSOPAC, 14 Jan 43, in USAFISPA File No. 381, Preliminary Plug COMSOPAC and COMGENSOPAC, Jan-June 43, KCRC; Ltr, COMSOPAC to COMGENSOPAC et al., 24 Feb 43, sub: Assembly of Sups for Future Opus, in USAFISPA G-2 Hist Sec File, Plug for New Georgia Opn, OCMH; The History of USAFISPA, Pt. I, Vol. I, P. 178, and Pt. III, pp. 649-51, 661, 669, 673-74, OCMH; ONI USN, Operations in the New Georgia Area, P. 3.)

Although Noumea and Espiritu Santo in the New Hebrides were still the main South Pacific bases, Guadalcanal was ready to play an important role. The South Pacific commanders had insured that haphazard supply methods would not characterize TOENAILS.

More Toenails: The Landings in New Georgia


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