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SITE/
FEATURE NO. |
BRIEF
DESCRIPTION
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LOCATION
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M1
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Caves, tunnels, and naval gun. Access to gun cave is via tunnel. Gun is a Vickers 150mm Mk H. The gun is accessible and visited by tourists. Tunnel continues on to an ammunition cave. Two additional caves (connecting) are located nearby. One contains the base plate for a Vickers type coastal defense gun, plus a second chamber for ready ammunition storage. |
Near
Moen Center above government housing
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M2
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Nakajima CGNI MYRT Navy Carrier Reconnaissance Plane. Remains in good condition; propeller missing, left wing ripped apart, and tail fin missing. This type of World War II aircraft is extremely rare. | West of Truk hospital, resting in the mangrove swamp |
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M4
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Pillbox. One of the standard domed machine gun pillboxes built by the Japanese, constructed of aggregate concrete. This one is surrounded by homes. | Moen District Center |
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M5
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Pillbox. Aggregate concrete domed machine gun pillbox, now partly submerged. | Moen District Center at the southern end of the agricultural station |
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M6
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Pillbox. Another example of the domed machine gun pillbox made of aggregate concrete. | Moen District Center, next to movie house |
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M7
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Pillbox. Domed roof type but this one made of reinforced concrete; appears to be in better condition than others of this type found on the island. | Moen District Center, south of the pill storage depot |
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M9
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Road. Constructed by the Japanese, leads to an underground torpedo storage cave (now sealed). Road is overgrown with vegetation. | Moen District Center |
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M10
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Japanese workshop area (shops and warehouses)/U. S. Marine base camp. Remains consist of powerhouse water cooling tanks (in workshop area) and large Quonset huts (marine base camp). Huts are being used as offices and stores. Much of the workshop area is now planted with taro. | Moen District Center, across from Baker Dock |
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M11
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Site of U. S. built POW compounds and stockade. No remains are visible at the site. | Moen District Center |
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M14
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Bomb storage bunker. | Moen Airfield, northeast end |
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M151
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Japanese lookout fortifications. Dug out of the ground, reinforced with concrete walls and covered with steel plating, concrete and rock. Observation slots on the north, west, and south sides of lookout. | Atop Mt. Tonachau |
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M161
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Workshop caves. Used by the Japanese in connection with the nearby airfield. | Slopes and cliffs of Mt. Tonachau |
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M171
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Gun caves. Two caves, each built to house a Japanese 75mm Mountain Type 94 gun. | Slopes of Mt. Tonachau |
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M181
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Bomb Craters. These are large and were likely caused by bombs dropped by B-24s or B-29s. | Slopes of Mt. Tonachau |
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M191
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Ranger finder emplacement. | Slopes of Mt. Tonachau |
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M201
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Foxholes. Three interconnected star-shaped foxholes. | Slopes of Mt. Tonachau |
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M211
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Fire trench complex. | Slopes of Mt. Tonachau |
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M221
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Bunker. Concrete ammunition bunker with steel doors. | Slopes of Mt. Tonachau |
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M231
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Kitchen. | Slopes of Mt. Tonachau |
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M241
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Shelter caves. | Slopes of Mt. Tonachau |
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M251
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Antiaircraft gun base. | Slopes of Mt. Tonachau |
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M261
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Magazines. | Slopes of Mt. Tonachau |
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M271
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Cave and gun. Housing 75mm Mountain Type 94 gun. Contains concrete floor blocks. | Slopes of Mt. Tonachau |
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M281
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Truck chassis. Nissan Model 180 cargo truck. | Slopes of Mt. Tonachau |
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M291
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Gun emplacement. Constructed of earth for an antiaircraft gun. | Slopes of Mt. Tonachau |
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M301
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Mechitiu guns, road, and trenches. Two caves, each containing a turreted naval gun, a battery road, and fire trenches. Guns are 140 mm, 50 caliber. Though the breech plates, telescopic sites and recoil springs have been removed and the barrels loosened, the guns remain in good condition. Caves are connected by a tunnel with an observation/fire control cave in between. Several objects including a range-finder, remain within the third cave. The battery road is constructed of basalt and nearly 750 feet of it remains. | Slopes of Mt. Tonachau |
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M31
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Road. This is the only remaining road constructed by the Japanese in 1945 which is still in use. | Northwest end of Moen |
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M32
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Causeway. Built by the Japanese for the circulating road across Puu Bay, it measures nearly 1,600 feet. | Northwest end of Moen |
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M33
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Causeway. Constructed of rock, it connects Upwein, an islet, to the main coast of Moen. | Northwest end of Moen |
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M34
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Japanese stone land marker. Contains an inscription. Few of these stones exist in Truk today. | Northwest end of Moen |
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M35
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Stone and concrete dam. Provides an outstanding example of skilled stone work and is in excellent condition. On Witchen River in the north of Moen | Northwest end of Moen |
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M36
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Battery road. Leading to guns at M38. | Moen saddleback |
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M37
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Gun pits. Dug for small caliber anti-aircraft guns and infantry defense. | Moen saddleback |
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M38
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Anti-aircraft guns. Five Model 10 anti-aircraft guns with ready machine guns with ready magazines. Placed in an open circle about 650 feet in diameter. A command post is nearby. | Near center of Moen saddleback |
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M39
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Fire trenches and shelter caves. | Moen saddleback |
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M40
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Coastal defense guns and caves. Guns are Vickers 150 mm. | |
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M41
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Concrete and steel base for radar. | Moen saddleback |
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M42
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Searchlight. Remains consist of metal casing which has rusted; the glass is missing. | Moen saddleback |
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M442
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Radio station building. This is the most substantial structure of World War II vintage in all of Truk. The building measures about 350 by 90 feet; its walls and roof are of reinforced concrete up to a yard thick. The exterior doors are made of double sheetmetal more than 4 inches thick. Despite sustaining several bomb hits in 1944, the building remains in excellent condition. Constructed in 1942 and 1943, it was one of three radio communication centers in Truk. The building is owned by the Jesuits and is operated and maintained as a high school, St. Xavier. | East end of Meon |
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M45
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Lighthouse. The lighthouse, constructed in 1937, was fortified with reinforced walls and also used as on observation post. Now abandoned, the structure remains in good condition. Sections of the tiling on the floor and walls remain well-preserved, as is a portion of the light's rotating mechanism. There are the remains of other structures and equipment in the immediate vicinity. | Sapuk, on the east end of Moen |
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M46
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Turreted guns. Four 200 mm turreted guns lie in open revetments protected by the armor plates of turrets (the guns and turrets had been earlier removed from Japanese cruisers). All of the guns are in excellent conditon. These were the only Japanese defensive guns in Truk with a range long enough to reach the reef. The gun battery also contains reveted magazines, range finder installations, command posts, and searchlight caves. Two machine gun emplacements are nearby. | East end of Moen |
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M47
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Torpedo boat station and gun positions. A horseshoe-shaped rock wall appears to be the only visible remains of the torpedo boat station. A small pillbox is nearby. A short distance away (50 yards and 100 yards) are two casements. One contains the barrel of a 120 mm coastal defense gun, recoil springs, and a 200 mm projectile. Another pillbox is located several hundred yards away. This one has a house built on top of it. | East end of Moen |
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M48
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Pier and intake basins. Pier contained large diameter pipeline to transport fresh water from intake basins onto ships. The pier and the basins remain. | Southeast shore of Moen |
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M49
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Seaplane cave. Cave 100 feet long, more than 20 feet wide, and about 12 feet high was utilized by the Japanese in connection with the seaplane base. Later used by the U. S. to store ordnance prior to disposal. | Southwest end of Moen |
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M50
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Seaplane base. Remains of the base consist of a munitions revetment, pillboxes, caves, including one used as a radio station, a section of narrow gauge rail, and two seaplane ramps. The foundations of a large Quonset hut and a boat shop (U. S.) also remain. | Southwest corner of Moen |
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M52
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Caves. Three caves used by the Japanese as workshops and for storage. The largest, a tunnel more than 100 yards long, was used as a navy radio receiving station and contains equipment remains. | Southwest corner of Moen |
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M53
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Japanese Prison Site. No remains of the actual prison built by the U. S. exist. It was used to house Japanese prisoners put to work on the airfields and other installations after the war. Two nearby buildings are thought to be associated with the prison: a large house and a small concrete building. | Near Moen District Center |
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M543
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Caves. Contained no artifacts; thought to be used to house a 75mm Mountain Gun, Type 94. | Mt. Tonoken |
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| 1 Site and/or feature a portion of the National Register of Historic Places listing, Tonnachau Mountain | ||
| 2 Listed on the National Register of Historic Places as St. Xavier Academy | ||
| 3 Site and/or feature a portion of the National Register of Historic Places listing, Tonotau guns and caves | ||