LSM-1-class landing ship medium

The LSM-1-class Landing Ship Medium were a class of landing ships built for the United States Navy during World War II.

LSM-1 class

USS LSM-152 underway after World War II.
Class overview
Operators	United States Navy  Royal Australian Navy
Built	1944–1945
In commission	1944–1960s
Completed	478
General characteristics
Type	Amphibious warfare ship
Displacement	520 long tons (528 t) light 743 long tons (755 t) landing 1,095 long tons (1,113 t) full load
Length	203 ft 6 in (62.03 m) o/a
Beam	34 ft 6 in (10.52 m)
Draft	3 ft 6 in (1.07 m) forward 7 ft 8 in (2.34 m) aft Fully loaded : 6 ft 4 in (1.93 m) forward 8 ft 3 in (2.51 m) aft
Propulsion	2 × Fairbanks-Morse (model 38D81/8X10, reversible with hydraulic clutch) diesels. Direct drive with 1,440 bhp (1,074 kW) each @ 720 rpm, twin screws
Speed	13.2 knots (15.2 mph; 24.4 km/h)
Range	4,900 nmi (9,100 km) at 12 kn (22 km/h)
Capacity	5 medium or 3 heavy tanks, or 6 LVTs, or 9 DUKWs
Troops	2 officers, 46 enlisted
Complement	5 officers, 54 enlisted
Armament	6 × 20 mm AA gun mounts
Armour	10-lb. STS splinter shield to gun mounts, pilot house and conning station

The class commenced with the construction of LSM-1 on 5 May 1944 and continued on through the construction and commissioning of LSM-500 on 17 May 1945.

This class was replaced, starting with LSM(R)-501 on 24 March 1945, with the LSM(R)-501-class landing ship medium (rocket) which contained rocket launching equipment.