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NavSource Online: Service Ship Photo Archive

YR
Floating Workshop (Non Self Propelled)

YR-5 and V-4 (SM-1) are in the background beyond V-6 (SC-2) fitting out at Mare Island Navy Yard, Vallejo, CA., 12 April 1930.
US Navy photo # NH 70676 from the collections of the US Naval Historical Center, courtesy of the Mare Island Naval Shipyard, 1970.
YR-9-1 ex-YFNB-9 moored at Ben Luc South Vietnam in 1969. Behind it is the Vam Co Dong River. Ben Luc was approximately 22 miles southwest of Saigon at the intersection of Highway 4 and the Vam Co Dong river. Photo by Tom Richards MR2 USN.
Submitted by Richard Smith YR-9

YR-9-2, YR-9-3, YR-9-4 moored at Ben Luc South Vietnam in circa 1968-69.
Submitted by Steve Wagner
YR-15 in Dry Dock 3 at Boston Navy Yard, South Annex during the modernization of Florida (BB-30) between 1925 and 1927
YR-29 underway with a tug alongside, date and location unknown.
YR-24 Class Floating Workshop
Displacement 530 t.(lt), 760 t.(fl); Length 150'; Beam 36'; Draft 6'
Laid down, 22 April 1941, at William Cramp and Sons Shipbuilding, Philadelphia, PA. Launched, 2 August 1941
Delivered and placed in service, 24 November 1941
Current Disposition, active, in service, location unknown
Photo submitted by Scott Odell
YR-48
Keel Laid, 23 March 1943
Launched, 2 April 1943
Placed in service, 15 January 1944.
A March 1943 photo of the bow section of YR-48 is being moved from the structural shop to dry dock # 4 where the repair barge was constructed at Mare Island. Mare Island Navy Yard photo # 2035-43.
YR-49-1
Laid down, 1 August 1943
Launched, 17 August 1943
Placed in service, 15 July 1943.
Forward plan view of YR-49 at Mare Island, 5 July 1944. US Army Corps of Engineering tug and dredge in the background deepening the Mare Island (Napa River) channel.
Mare Island Navy Yard photo # 4209-44.

YR-49-2 Aft plan view of YR-49 at Mare Island, 6 July 1944.
Mare Island Navy Yard photo # 4320-44

YR-49-3 date and location unknown. Submitted by Robert Hurst, Source Hyper War US Navy in WWII
YR-54 as YRR-13 is seen to the far left as USS Parche (SSN-683) is backing out her berth at Mare Island, 19 August 1994 with the assistance of Pushmataha (YTB-830) and Skenandoa (YTB-835)
Mare Island Navy Yard photo # 267740-8-94
Darryl Baker
Laid down, as Floating Workshop YR-54, 1 April 1943, location unknown
Redesignated Floating Dry Dock Workshop (Machinery) YRDM-3, date unknown
Redesignated Radiological Repair Barge YRR-13, date unknown
Struck from the Naval Register, 19 September 1994, to be disposed of
Displacement 490 t.(lt), 750 t.(fl), Length 151', Breadth 35', Draft 6', Accommodations: 1 Officer, 46 Enlisted
YRR-13 was laid up at the Naval Shipyard, Mare Island, CA.
YR-55
Built by Associated Shipbuilding, HI.
Delivered to the US Navy 2 December 1943
Reclassified Floating Dry Dock Workshop (Hull Non Self-propelled) YRDH-1, date unknown
Reclassified Miscellaneous Unclassified IX-528 23 June 1993
Active, in service, Southeast Alaska Acoustic Measurement Facility, Ketchikan, AK.
Specifications: Displacement 460 t.(lt) 750 t.(fl); Length 151'; Beam 35'; Draft 6'; Accommodations 1 Officer, 46 Enlisted
YR-56
Laid down, 18 August 1943, at Associated Shipbuilding, HI.
Launched, 1 November 1943
Delivered to the US Navy 1 December 1943
Reclassified Floating Dry Dock Workshop (Hull Non Self-propelled) YRDH-2, date unknown
Struck from the Naval Register, 25 May 2005 To be disposed of by Defense Reutilization and Marketing Service (DRMS) by Exchange/Sale for reuse/conversion Specifications: Displacement 460 t.(lt) 750 t.(fl); Length 151'; Beam 35'; Draft 6'; Accommodations 1 Officer, 46 Enlisted
YR-60 moored pierside, date and location unknown.
Reclassified Repair, Berthing and Messing Barge (NSP) YRBM-51, date unknown
YRBM-51 Class Repair Berthing and Messing Barge
Displacement 530 t.(lt); Length 152'; Beam 36'; Draft 6'
Laid down, 11 November 1943, at Dekom Shipbuilding
Launched, 25 May 1944
Delivered and placed in service, 29 September 1944
Current Disposition, active, in service, location unknown
Photo submitted by Scott Odell
The bow of YR-63 is in view as USS Parche (SSN-683) backs out of her berth at Mare Island, 19 August 1994 with the assistance of Pushmataha (YTB-830) and Skenandoa (YTB-835)
US Navy photo # 267741-8-94

Submitted by Darryl Baker
Laid down, 22 November 1943, at Navy Yard Mare Island
Launched, 4 May 1945
Delivered and placed in service at Mare Island Navy Yard, 15 January 1946
Reclassified Repair and Berthing Barge (NSP), YRB-36, 19 April 2007
Displacement 530 t.(lt), 760 t.(fl); Length 153'; Beam 36'; Draft 6'
Current Disposition, active, in service, location unknown
YR-67 moored pierside, date and location unknown.
Reclassified Repair and Berthing Barge (NSP), YRB-32, date unknown
YRB-32 Class Repair and Berthing Barge
Displacement 530 t.(lt), 760 t.(fl); Length 153'; Beam 36'; Draft 6'
Laid down, 9 March 1944, at Pollock Stockton Shipbuilding, Stockton, CA.
Launched, 23 July 1944
Delivered and placed in service, 15 September 1944
Current Disposition, active, in service, location unknown
Photo submitted by Scott Odell
YR-78 moored pierside, date and location unknown.
Reclassified Repair and Berthing Barge (NSP), YRB-35, date unknown
Reclassified Repair, Berthing and Messing Barge (NSP) YRBM-55, 15 June 2007
YR-26 Class Floating Workshop
Displacement 520 t.(lt); Length 153'; Beam 36'; Draft 6'
Laid down, 8 January 1945, at Puget Sound Bridge and Drydock, Seattle, WA.
Launched, 12 May 1945
Delivered and placed in service, 19 June 1945
Current Disposition, active, in service, location unknown
Photo submitted by Scott Odell
YR-93 ex YFNB-30
YR-94 ex IX-526

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