Technical information
Type  Medium landing ship (Rocket) 
Displacement  1175 BRT 
Length  203 feet 
Complement  6+173 men 
Armament  1 5" DP gun 4 40mm AA (2x2) 4 20mm AA (4x1) rocket launchers mortars 
Max speed  13 knots 
Engines  Diesel engines, 2 shafts 
Notes on class  This class a further development of the LSM(R) 188class with increased firepower. The bridge structure was placed aft. 
All ships of the LSM(R) 401 class
 
USS LSM(R) 401 (LSM(R) 401)  
USS LSM(R) 402 (LSM(R) 402)  
USS LSM(R) 403 (LSM(R) 403)  
USS LSM(R) 404 (LSM(R) 404)  
USS LSM(R) 405 (LSM(R) 405)  
USS LSM(R) 406 (LSM(R) 406)  
USS LSM(R) 407 (LSM(R) 407)  
USS LSM(R) 408 (LSM(R) 408)  
USS LSM(R) 409 (LSM(R) 409)  
USS LSM(R) 410 (LSM(R) 410)  
USS LSM(R) 411 (LSM(R) 411)  
USS LSM(R) 412 (LSM(R) 412)  
USS LSM(R) 501 (LSM(R) 501)  
USS LSM(R) 502 (LSM(R) 502)  
USS LSM(R) 503 (LSM(R) 503)  
USS LSM(R) 504 (LSM(R) 504)  
USS LSM(R) 505 (LSM(R) 505)  
USS LSM(R) 506 (LSM(R) 506)  
USS LSM(R) 507 (LSM(R) 507)  
USS LSM(R) 508 (LSM(R) 508)  
USS LSM(R) 509 (LSM(R) 509)  
USS LSM(R) 510 (LSM(R) 510)  
USS LSM(R) 511 (LSM(R) 511)  
USS LSM(R) 512 (LSM(R) 512)  
USS LSM(R) 513 (LSM(R) 513)  
USS LSM(R) 514 (LSM(R) 514)  
USS LSM(R) 515 (LSM(R) 515)  
USS LSM(R) 516 (LSM(R) 516)  
USS LSM(R) 517 (LSM(R) 517)  
USS LSM(R) 518 (LSM(R) 518)  
USS LSM(R) 519 (LSM(R) 519)  
USS LSM(R) 520 (LSM(R) 520)  
USS LSM(R) 521 (LSM(R) 521)  
USS LSM(R) 522 (LSM(R) 522)  
USS LSM(R) 523 (LSM(R) 523)  
USS LSM(R) 524 (LSM(R) 524)  
USS LSM(R) 525 (LSM(R) 525)  
USS LSM(R) 526 (LSM(R) 526)  
USS LSM(R) 527 (LSM(R) 527)  
USS LSM(R) 528 (LSM(R) 528)  
USS LSM(R) 529 (LSM(R) 529)  
USS LSM(R) 530 (LSM(R) 530)  
USS LSM(R) 531 (LSM(R) 531)  
USS LSM(R) 532 (LSM(R) 532)  
USS LSM(R) 533 (LSM(R) 533)  
USS LSM(R) 534 (LSM(R) 534)  
USS LSM(R) 535 (LSM(R) 535)  
USS LSM(R) 536 (LSM(R) 536)  

See all Medium landing ship (Rocket) classes.
Books dealing with this subject include:
