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NavSource Online:Identification Numbered Vessel Photo Archive

USAT Mount Vernon
ex-USS Mount Vernon (ID 4508)

Call sign (1919):
Nan - Easy - Able

Civilian call sign (1926):
Love - Have - Quack - Jig

Mount Vernon served both the U. S. Navy and Army

Transport:

The third Mount Vernon was built in 1906 as Kronprinzessin Cecilie by Actien Gesellschaft, Stettin, Germany

Launched 1 December 1906

Interned at Bar Harbor, ME at U.S. entrance into World War I

Seized by the United States Shipping Board 3 February 1917

Acquired by the Navy in April 1917 at Bar Harbor, ME and converted to a Naval Transport at Boston, MA

Commissioned USS Mount Vernon (ID 4508), 28 July 1917

Decommissioned 29 September 1919 and transferred to the War Department for service as an Army transport

Renamed USAT Mount Vernon and assigned to the ATS Pacific Fleet with home port at Fort Mason, CA

Transferred to the United States Shipping Board in August 1920 and laid up at Solomons Island, MD

Registered in 1926 as being homeported in New York, NY

Scrapped 13 September 1940 at Boston.

Specifications:

Displacement 19,506 t.

1926 - 18,373 t.

Length 706' 4"

1926 -685.2'

Beam 72'

Draft 31' 1"

1926 0 40.4'

Speed 24 kts.

Complement 1,030

1926 - 240

Armament: Four 5"/51 mounts, two 1-pounders and two machine guns

Propulsion: Twelve double-ended and seven single-ended boilers, two quadruple expansion steam engines, two shafts.

Click on thumbnail for full size image	Size	Image Description	Source
Kronprinzessin Cecilie
	57k	Namesake: *Duchess Cecilie Auguste Marie of Mecklenburg-Schwerin* (20 September 1886 – 6 May 1954) was the last German Crown Princess and Crown Princess of Prussia as the wife of Wilhelm, German Crown Prince, the son of German Emperor Wilhelm II	Joe Radigan
	203k	Undated post card	Tommy Trampp
	216k	c. 1910Photo from "Passenger Liners of the World Since 1893" (1959) by Nicholas T. Cairis
	288k	c. 1910 New York This type post card was from 1907 to 1915
	84k	c. 1910 Undated post card Photo from www.akpool.co.uk	Robert Hurst
	63k	c. 1910 Undated post card Photo from www.akpool.co.uk
	32k	c. 1910
	161k	c. 1914 Undated post card Photo by R. C. Smith from www.thegreatoceanliners.com
	103k	Kronprinzessin Cecilie entering Bar Harbor, Maine, in August 1914, shortly after the outbreak of World War I. She is wearing the funnel colors of the British White Star Line to deceive British cruisers U.S. Navy photo NH 45741	Naval Historical Center
	81k	SS Kronprinzessin Cecilie possibly photographed when she arrived in United States waters in early August 1914, just after the beginning of World War I U.S. Navy photo NH 57750	Naval Historical Center
	66k	SS Kronprinzessin Cecilie at Bar Harbor, Maine with black funnel tops at the start of World War I, in order to disguise the ship as the RMS Olympic	Robert Hurst
	472k	6 August 1964 Associated Press photo and article	Robert Hurst
	722k	6 August 1964 Associated Press photo and article	Robert Hurst
USS Mount Vernon (ID 4508)
	103k	**Namesake:Mount Vernon*. the plantation of George Washington, the first President of the United States, and his wife, Martha Dandridge Custis Washington. The estate is situated on the banks of the Potomac River in Fairfax County, Virginia, near Alexandria, across from Prince George's County, Maryland. The Washington family had owned land in the area since the time of Washington's great-grandfather in 1674. Around 1734 they embarked on an expansion of the estate that continued under George Washington, who began leasing the estate in 1754, but did not become its sole owner until 1761 Photo from Wikipedia Commons*	Tommy Trampp
	57k	Mount Vernon post card issued by the Jewish Welfare Board	Sergio Lugo
	94k	In port with tugs alongside. This photograph provides an excellent example of the painting-in, painting-out stratagem designed to cause identity confusion by 'hiding' recognizable gestures of a ship's structure Photo from "Naval Camouflage 1914-1918: A Complete Visual Reference", by David Williams	Robert Hurst
	79k	U.S. Navy Troop Transports at sea, 10 November 1917. These ships, steaming in convoy from New York City to Brest, France, are (from left to right): Mount Vernon, USS Agamemnon (ID 3004) and USS Von Steuben (ID 3017). The damage to Von Steuben's bow, was the result of a collision with Agamemnon on the previous day. Courtesy of Paul Silverstone, 1982. U.S. Navy photo NH 57750	Naval Historical Center
	76k	At anchor in port, December 1917. Collection of Chief Warrant Officer James B. Dofflemeyer, USN. U.S. Navy photo NH 98901
	97k	At Brest, France, 5 May 1918 U.S. Navy photo NH 45742
	128k	5 May 1918 Brest, France U.S. Army Signal Corps photo from the Imperial War Museum American First World War Official Exchange Collection, Photo No. © IWM (Q 93066)	Mike Green
	77k	At anchor, 25 May 1918 U.S. Navy photo NH 45743	Naval Historical Center
	102k	At the New York Navy Yard, 8 July 1918, after having been painted in pattern camouflage U.S. Navy photo NH 45747
	124k	Steaming towards Brest, France, after she had been torpedoed by German submarine U-82 in the eastern Atlantic on 5 September 1918. An escorting destroyer is laying a smoke screen in the background Collection of Lieutenant Commander P.W. Yeatman, USN (Retired) U.S. Navy photo NH 89149
	81k	5 September 1918 Her number two (port side) 5" gun comes into action as the ship turns away from the suspected position of U-82. Gunfire and depth charges helped to keep the submarine under while the damaged trooper made her escape, accompanied by Agamemnon and three of the five escorting destroyers Naval History and Heritage Command photo from "Great Liners at War" by Stephen Harding	Robert Hurst
	111k	5 September 1918 Even as Captain Dismukes set Mount Vernon on a course for Brest, his damage-control parties were working hard to contain the flooding caused by the torpedo hit. In this photo, sailors at the end of a bucket-brigade line are throwing over the side water that's been brought up from below Naval History and Heritage Command photo from "Great Liners at War" by Stephen Harding
	108k	5 September 1918 With the flooding contained and Mount Vernon apparently out of immediate danger, these understandably elated sailors - some still wearing life jackets - pose for a group photo. The scenes below were far less happy, for the detonation of U-82's torpedo on the troopship's starboard side killed thirty-six crewmen outright and wounded another fifteen Naval History and Heritage Command photo from "Great Liners at War" by Stephen Harding
	87k	5 September 1918 Halftone reproduction of a photograph showing the temporary patch installed on Mount Vernon's hull at Brest, France, after she was torpedoed by German Submarine U-82. The ship received permanent repairs after she returned to the United States. This image was published in 1918-1919 as one of ten photographs in a Souvenir Folder of views concerning the ship and her 5 September 1918 torpedoing Donation of Dr. Mark Kulikowski, 2006 Naval History and Heritage Command photo NH 103940	Mike Green
	147k	In drydock at Brest, France, after she was torpedoed by a German submarine on 5 September 1918. USS Prometheus [Repair Ship No.2] is in the right distance, inside the breakwater U.S. Navy photo NH 157	Naval Historical Center
	147k	Drydocked at Brest, France, after she was torpedoed by German submarine U-82 on 5 September 1918 U.S. Navy photo NH 45748
	115k	Hole in the ship's hull made by the German submarine torpedo that hit her on 5 September 1918. Photographed in drydock at Brest, France U.S. Navy photo NH 45744
	125k	Halftone reproduction of a heavily-retouched photograph taken circa 1917-1919. This image was published in 1918-1919 as one of ten photographs in a "Souvenir Folder" of views concerning the ship and her 5 September 1918 torpedoing Donation of Dr. Mark Kulikowski, 2006 Naval Historical Center photo NH 103934	Robert Hurst
	148k	Halftone reproduction of a photograph showing the ship in dry dock at Brest, France, after she was torpedoed by German Submarine U-82 on 5 September 1918. Donation of Dr. Mark Kulikowski, 2006. Naval Historical Center photo NH 103941
	91k	Entering drydock at Brest, France, on 6 September 1918. She had been torpedoed by German submarine U-82 on the previous day U.S. Navy photo NH 45749
	151k	French tugs assisting the Mount Vernon into drydock at Brest, France, on 6 September 1918. USS Prometheus is in the right distance, with U.S. Navy destroyers alongside Naval Historical Center photo NH 45758
	244k	Panoramic photograph of the ship's officers and crew, posed alongside and on board, 30 October 1918 Donation of James R. Nilo, 1961 U.S. Navy photo NH 45767	Naval History and Heritage Command
	117k	c. February 1919 Major General Clarence R. Edwards on board Diaquiri greets members of the 26th Division embarked in Mount Vernon (ID 4508) entering Boston harbor Courtesy of Boston Public Library, Leslie Jones collection	Boston Public Library
	78k	At Boston, Massachusetts, 7 February 1919 Photographed by Crosby, 11 Portland St., Boston U.S. Navy photo NH 63146	Naval Historical Center
	187k	Secretary of the Navy Josephus Daniels with Mrs. Daniels and Navy officers, on board the Mount Vernon during the voyage from Brest, France, to New York, 16 May 1919. Those present include (left to right, seated): Captain Douglas E. Dismukes, ship's Commanding Officer; Mrs. Josephus Daniels; and Secretary of the Navy Josephus Daniels. (left to right, standing): Rear Admiral Ralph Earl; Rear Admiral R.S. Griffin; Rear Admiral David W. Taylor; and Commander Percy W. Foote, Aide to the Secretary. Naval Historical Center photo NH 56927	Bill Gonyo
	78k	Coming up Boston Harbor with elements of the 26th Division on board, in 1919. She is convoyed by craft of the First Naval District Photographed by Alton Blackinton, Boston. U.S. Navy photos NH 45750 and NH 45751	Naval Historical Center
	85k		Naval Historical Center
	128k	In harbor, with an armored cruiser in the left distance, 1919 Photographed by Grassel Donation of Charles R. Haberlein Jr., 2008 Naval History and Heritage Command photo NH 105818	Robert Hurst
USAT Mount Vernon
	130k		Rudolf Kotaš Prague, Czech Republic
	113k	Mount Vernon moored outboard of the Navy hospital ship Comfort, at the Mare Island Navy Yard, California, 2 January 1920 U.S. Navy photo NH 45744	Naval Historical Center
	80k	Mount Vernon at the Mare Island Navy Yard, California, 2 January 1920 U.S. Navy photo NH 45745
	56k	Mount Vernon at the Mare Island Navy Yard, California, with a U.S. Coast Guard cutter tied up to her port side, circa January 1920 U.S. Navy photo NH 45746
	99k	Mount Vernon maneuvering in the channel off the Mare Island Navy Yard, January 1920 Donation of Rear Admiral Ammen Farenholt, USN (Medical Corps), 1932 U.S. Navy photo NH 63108
	1,854k	Mount Vernon moored outboard of the Navy hospital ship Comfort, at the Mare Island Navy Yard, California, in January 1920 Photograph from the William H. Topley Collection; courtesy of Charles M. Loring, 1970 U.S. Navy photo NH 71246 7 - 24 February 1920 Mare Island Navy Yard	Original photo: Naval Historical Center Replacement photo: Darryl Baker
	197k	26 May 1920 Panama Canal Approaching Cucaracha Slide, Guillard Cut National Archives photo 185-G-0913	Michael Mohl Photo added 23 January 2022
	185k	PE-29 at the Boston Navy Yard, Massachusetts, circa late 1920. The four large funnels behind her belong to USAT Mount Vernon Photographed by H. J. Darley, Charlestown, Massachusetts Naval History and Heritage Command photo NH 96683	Mike Green
	140k	Nine of Submarine Division 8's ten "O" type submarines, Commanded by Commander Guy E. Davis at the Boston Navy Yard, Charlestown, Massachusetts, 16 August 1921. Submarines in the front row are (from left to right): O-3 (SS-64), O-6 (SS-67), O-9 (SS-70) and O-1 (SS-62). Those in the second row are (from left to right): O-7 (SS-68), unidentified (either O-2 or O-8), O-5 (SS-66), O-10 (SS-71) and O-4 (SS-65). Large four-stacked ship in the left center distance is the Mount Vernon Panoramic photograph by Crosby, "Naval Photographer", 11 Portland Street, Boston U.S. Navy photo NH 71246	Naval Historical Center
Mount Vernon
	149k	c. 1939 In the Patuxent River off Solomons Island, MD, four ex-German liners are laid up from left to right USAT Monticello, ex-USS Agamemnon (ID 3004; Mount Vernon; USAT America, ex-USS America (ID 3006) and USAT George Washington, ex-USS George Washington (ID 3018)	Joe Radigan

Commanding Officers
01	Ship's Master, Captain Charles Pollock	1914
02	CAPT Douglas Eugene Dismukes, USN - USNA Class of 1890 Awarded the Navy Distinguished Service Medal (1918) - Retired as Rear Admiral	March 1918 - 29 September 1919

Courtesy Bill Gonyo and Joe Radigan

View the Mount Vernon (ID 4508)
DANFS history entry located on the Naval History and Heritage Command website

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NavSource Online:Identification Numbered Vessel Photo Archive

USAT Mount Vernonex-USS Mount Vernon (ID 4508)

USAT Mount Vernon
ex-USS Mount Vernon (ID 4508)