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218:. Ensign Howard, USNR, had graduated from the third class at the Advanced Mine School, later Mine Disposal School, and been sent to England to observe and gain experience with Royal Navy and Royal Engineers in mine disarming and disposal. He had been the first Navy mine disposal person killed when, on 11 June 1942, he was observing Lcdr. Roy Berryman Edwards, RN, DSO, BEM defusing a German TMA-1 magnetic influence naval mine that detonated on Corton sands near
311:, later White Oak, Maryland). The laboratory was responsible for receiving enemy ordinance, performing inerting and then documenting the ordinance and procedures to strip and disarm the weapons. As part of the studies the facility used special X-Ray examination with a one million volt Vandergraf X-Ray machine in a specially built building.
273:. He founded a research enterprise and combined his interests in yachting, exploration and science with cruises of his yacht. He was also involved with the University of Pennsylvania Museum and the Academy of Natural Sciences of Philadelphia with collections at those institutions benefiting from cruises of
285:
Johnson's World War II involvement at the least paralleled that of his yacht. In June 1942 he joined the United States Naval
Reserves with service in the Mines Countermeasures Section, Research Division, Bureau of Ordinance until 1944 when he went to the General Ordinance School then the David W.
263:(founder and President of the Victor Talking Machine Company) and Elsie Reeves Fenimore Johnson, had served during World War I at the Field Artillery Officers' School and subsequently as Superintendent of the company's Experimental Department. In the year prior to the launch of his yacht,
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1 September 1942 with assignment to the
Explosives Investigation Laboratory (EIL), renamed December 1944 as Ordnance Investigation Laboratory (OIL), located at Stump Neck, Maryland. under the Naval Ordnance Laboratory, Washington, DC, (At the time headquartered at the
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with
Johnson engaged in even more photographic and scientific work. Between 1947 and 1951 that work extended from Labrador to the Gulf of Mexico with a focus on water transparency, though other data was collected.
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Taylor Model Basin. His work was associated with underwater explosion testing and underwater photography. On 2 July 1942 the Navy purchased the yacht from
Johnson and placed it in service at
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256:. This was the second Johnson yacht bearing the name with the first completed by the same yard (hull number 193, official number 227907) in 1928.
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The vessel was registered in 1959 by the
Philadelphia Council of the Boy Scouts of America as the John M. Howard. It subsequently became the
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The vessel was engaged in documenting enemy ordinance, particularly mines, with assignment to the
Explosives Investigation Laboratory (EIL),
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382:. In an announcement dated 2018 the charter and tour company Windy Venue, operating in New York City, noted they were acquiring
222:. The detonation left nothing but scattered debris from sea to cliffs and two hundred yards in each direction along the beach.
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267:, he had helped prepare and then participated in the 1933 Johnson-Smithsonian Deep-Sea Expedition aboard his father's yacht
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was assigned to conduct explosive experiments at the laboratory. About June 1943 the ship was moved to
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522:, Washington, DC: United States Navy Explosive Ordnance Disposal Association, pp. 46–49, 65,
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A peninsula on the
Potomac River between Mattawoman Creek and Chickamuxen Creek south of
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and was placed in service until 16 November 1945. She was returned to the
694:. Jefferson, North Carolina: McFarland & Company, Inc. p. 147.
659:"Water Transparency Observations Along the East Coast of North America"
612:"Station Records of the First Johnson-Smithsonian Deep-Sea Expedition"
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321:. The ship was used for ordnance experiments in the Potomac River,
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549:. Philadelphia Area Consortium of Special Collections Libraries
545:
Philadelphia Area
Consortium of Special Collections Libraries.
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Unclassified miscellaneous vessels of the United States Navy
669:(10). Smithsonian Institution, Washington, D.C.: 1–181 1960
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The vessel was returned to the owner and resumed the name
569:"Report of the Secretary of the Smithsonian Institution"
760:
World War II mine warfare vessels of the United States
453:"Mathis Yacht Building, Camden and Gloucester City NJ"
618:(1). Washington, D.C.: Smithsonian Institution. 1934
765:Ships built by the Mathis Yacht Building Company
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691:World War II U.S. Navy Vessels in Private Hands
386:on the west coast and refitting the vessel as
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487:Dictionary of American Naval Fighting Ships
614:. Smithsonian Miscellaneous Collections.
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717:"Historic Trumpy Refit – Elsie Fenimore"
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571:. Smithsonian Institution. 1934: 10
547:"E.R. Fenimore Johnson photographs"
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519:History of U.S. Navy Mine Disposal
496:Naval History and Heritage Command
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325:and various Atlantic coast ports.
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208:unclassified miscellaneous vessel
242:Eldridge Reeves Fenimore Johnson
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516:Bartleson, John D. Jr. (1995),
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342:for disposal 24 January 1946.
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400:Naval EOD Technology Division
79:Mathis Yacht Building Company
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252:with completion in 1934 as
210:, was the only ship of the
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688:Williams, Greg H. (2013).
288:Philadelphia, Pennsylvania
18:USS John M. Howard (IX-75)
240:The vessel was built for
227:Naval Ordnance Laboratory
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31:
482:"John M. Howard (IX-75)"
200:, previously the yacht
179:20 ft (6.1 m)
155:General characteristics
639:Cite journal requires
592:Cite journal requires
455:. Shipbuilding History
171:87 ft (27 m)
150:Official Number 233593
420:Indian Head, Maryland
334:on 9 May 1945 at the
246:Mathis Yacht Building
715:Windy Venue (2018).
451:Colton, Tim (2018).
336:Washington Navy Yard
340:Maritime Commission
261:Eldridge R. Johnson
141:Maritime Commission
719:. Windy Venue, LLC
250:Camden, New Jersey
216:John Martin Howard
212:United States Navy
69:John Martin Howard
750:Individual yachts
701:978-0-7864-6645-0
309:Naval Gun Factory
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332:decommissioned
329:John M. Howard
323:Chesapeake Bay
315:John M. Howard
300:John M. Howard
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292:Washington, DC
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160:Displacement
139:Returned to
120:Commissioned
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281:War service
115:2 July 1942
85:Yard number
745:1934 ships
739:Categories
622:21 October
575:21 October
429:References
131:9 May 1945
723:26 August
673:26 August
553:26 August
459:25 August
406:Footnotes
384:Kick Back
379:Kick Back
220:Lowestoft
206:, was an
104:Completed
528:96170065
394:See also
346:Post war
270:Caroline
112:Acquired
96:1934 as
93:Launched
65:Namesake
498:. 2015.
198:(IX-75)
187:9 knots
163:94 tons
75:Builder
36:History
698:
526:
233:Yacht
168:Length
184:Speed
147:Notes
725:2018
696:ISBN
675:2018
645:help
624:2018
598:help
577:2018
555:2018
524:LCCN
461:2018
376:and
302:and
194:USS
176:Beam
136:Fate
107:1934
55:Name
667:130
248:in
244:by
88:219
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.