Landing Ship Medium
From Wikipedia, the free encyclopedia
Landing Ship Medium were amphibious assault ships of the United States Navy in the World War II.
Of comparable size to Landing Ship, Tank and the Landing Craft, Infantry, there were 558 LSM (Landing Ship, Medium) made for the USN between 1944 and 1945. The majority of vessels built on this versatile frame were regular transports however there were several dozen that were converted during construction for specialized roles. Most vessels of this type where scrapped during the Cold War, but several were sold by the United States Department of Defense to foreign nations or private shipping companies.
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[edit] LSM-1 Class Landing Ship Medium (Transport)
{{main|[[LSM-1 Class Landing Ship Medium}}
- General characteristics
- Displacement
- Empty: 520 tons
- Loaded: 900 tons
- Length: 203 ft 6 in
- Beam: 34 ft (10 m)
- Draft
- Forward (landing): 6 ft 11 in
- Aft (landing): 3 ft 5 in
- Forward (full load): 4 ft 5 in
- Aft (full load): 7 ft 11 in
- Complement: 4 officers, 54 enlisted
- Capacity: 5 medium or 3 heavy tanks (150 tons max. payload, beaching); or 6 LVTs or 9 DUKWs; 54 troops
- Armament
- 2 × 40 mm AA guns
- 4 × 20 mm AA guns
- Speed: 13.3 knots (25 km/h)
- Power: 2,800 shp
- Propulsion: Fairbanks-Morse Diesel or G.M. Cleveland Diesel
- Drive: 2 screws; direct drive
- Range: 5,000 NMs at 7 knots (13 km/h)
- Displacement
[edit] List of LSM-1 class ships
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[edit] LSM(R)-188 Class Landing Ship Medium (Rocket)
- General characteristics
- Displacement: LSM(R)-188-LSM(R)-195: 968 tons (loaded), LSM(R)-196-LSM(R)-199: 1,008 tons (loaded)
- Length: 203 ft 6 in
- Beam: 34 ft (10 m)
- Draft
- Forward: 5 ft 6 in
- Aft: 5 ft 9 in
- Complement: 5 officers, 76 enlisted
- Capacity: 5 medium or 3 heavy tanks, or 6 LVTs or 9 DUKWs
- Armament
- 1 × 5 in/38 gun
- 2 × 40 mm AA guns
- 3 × 20 mm AA guns (LSM-188-LSM-195 only)
- 75 × 4-rail Mk. 36 rocket launchers (LSM-196-LSM-199 only)
- 30 × 6-rail Mk. 30 rocket launchers (LSM-196-LSM-199 only)
- 85 × Mk. 51 automatic rocket launchers
- Speed: 13.2 knots (24 km/h)
- Power: 2,800 shp (2090 kW)
- Propulsion: G.M. Cleveland Diesel
- Drive: 2 screws; direct drive
- Range: 5,000 NMs at 7 knots (13 km/h)
- USS LSM(R)-188
- USS LSM(R)-189
- USS LSM(R)-190
- USS LSM(R)-191
- USS LSM(R)-192
- USS LSM(R)-193
- USS LSM(R)-194
- USS LSM(R)-195
- USS LSM(R)-196
- USS LSM(R)-197
- USS LSM(R)-198
- USS LSM(R)-199
[edit] LSM(R)-401 Class Landing Ship Medium (Rocket)
- General characteristics
- Displacement: 1,175 tons (loaded)
- Length: 203 ft 6 in
- Beam: 34 ft (10 m)
- Draft: 7 ft 9 in
- Complement: 6 officers, 137 enlisted
- Armament
- 1 × 5 in/38 gun
- 2 × 40 mm AA guns
- 4 × 20 mm AA guns
- 4 × 4.2 in mortars
- 8-10 × continuous loading 5 inch Ship-to-Shore rocket launchers
- Speed: 13 knots (24 km/h)
- Power: 2,800 shp (2090 kW)
- Propulsion: G.M. Cleveland Diesel
- Drive: 2 screws; direct drive
- Range: 5,000 NMs at 7 knots (13 km/h)
- USS Big Black River (LSM(R)-401), later reclassified (LFR-401)
- USS Big Horn River (LSM(R)-402)
- USS Blackstone River (LSM(R)-403)
- USS Black Warrior River (LSM(R)-404), later reclassified (LFR-404)
- USS Broadkill River (LSM(R)-405), later reclassified (LFR-405)
- USS Canadian River (LSM(R)-406)
- USS Chariton River (LSM(R)-407)
- USS Charles River (LSM(R)-408)
- USS Clarion River (LSM(R)-409), later reclassified (LFR-409)
- USS Clark Fork River (LSM(R)-410)
- USS Cumberland River (LSM(R)-411)
- USS Desplaines River (LSM(R)-412), later reclassified (LFR-412)
[edit] LSM(R)-501 Class Landing Ship Medium (Rocket)
- General characteristics
- Displacement: 1,175 tons (loaded)
- Length: 206 ft 3 in
- Beam: 34.5 ft (11 m)
- Draft: 7.66 ft (2 m)
- Complement: 6 officers, 137 enlisted
- Armament
- 1 × 5 in/38 gun
- 4 × 40 mm AA guns
- 8 × 20 mm AA guns
- 4 × 4.2 in mortars
- 20 × continuous loading 5 inch Ship-to-Shore rocket launchers
- Speed: 13 knots (24 km/h)
- Power: 2,800 shp (2090 kW)
- Propulsion: two GM Cleveland Diesel
- Drive: 2 screws; direct drive
- Range: 5,000 NMs at 7 knots (13 km/h)
- USS Elk River (LSM(R)-501), later reclassified (IX-501)
- USS Escalanteo River (LSM(R)-502)
- USS Flambeau River (LSM(R)-503)
- USS Gila River (LSM(R)-504)
- USS Grand River (LSM(R)-505)
- USS Green River (LSM(R)-506)
- USS Greenbrier River (LSM(R)-507)
- USS Gunnison River (LSM(R)-508), later reclassified (YV-3) and renamed Targeteer
- USS Holston River (LSM(R)-509)
- USS James River (LSM(R)-510)
- USS John Day River (LSM(R)-511)
- USS Lamiolle Rive (LSM(R)-512), later reclassified (LFR-512)
- USS Laramie River (LSM(R)-513), later reclassified (LFR-513)
- USS Maurice River (LSM(R)-514)
- USS Owyhee River (LSM(R)-515), later reclassified (LFR-515)
- USS Pearl River (LSM(R)-516)
- USS Pee Dee River (LSM(R)-517)
- USS Pit River (LSM(R)-518)
- USS Powder River (LSM(R)-519)
- USS Raccoon River (LSM(R)-520)
- USS Rainy River (LSM(R)-521)
- USS Red River (LSM(R)-522), later reclassified (LFR-522)
- USS Republican River (LSM(R)-523)
- USS St. Croix River (LSM(R)-524)
- USS St. Francis River (LSM(R)-525), later reclassified (LFR-525)
- USS St. Johns River (LSM(R)-526)
- USS St. Joseph's River (LSM(R)-527)
- USS St. Mary's River (LSM(R)-528)
- USS St. Regis River (LSM(R)-529)
- USS Salmon Falls River (LSM(R)-530)
- USS Smoky Hill River (LSM(R)-531), later reclassified (LFR-531)
- USS Smyrna River (LSM(R)-532)
- USS Snake River (LSM(R)-533)
- USS Thames River (LSM(R)-534)
- USS Trinity River (LSM(R)-535)
- USS White River (LSM(R)-536), later reclassified (LFR-536)
[edit] Gypsy Class Salvage Lifting Vessels
- General characteristics
- Displacement: 816 tons
- Length: 224 ft 9 in
- Beam: 34 ft 10 in
- Draft: 8 ft 4 in
- Complement: 65 officers and enlisted
- Armament: 2 × 20 mm AA guns
- Speed: 13 knots (24 km/h)
- Power: 1,440 bhp
- Propulsion: Fairbanks-Morse Diesel
- Drive: 2 screws; direct drive
- Range: 4,900 NMs at 12 knots (22 km/h)
- USS Gypsy (LSM-549), later reclassified (ARS(D)-1)
- USS Mender (LSM-550), later reclassified (ARS(D)-2)
- USS Salvager (LSM-551), later reclassified (ARS(D)-3) and again to (YMCL-3)
- USS Windlass (LSM-552), later reclassified (ARS(D)-4) and again to (YMCL-4)
[edit] See also
[edit] References
- LSM-LSMR: WWII Amphibious Forces (Turner Publishing Co.; Paducah, Kentucky) ISBN 1-56311-140-3
- Jane's Fighting Ships 1980-81

