USS MONOB I (YAG 61)
Extracts from a hull study plan for the conversion of a YW to a noise measuring barge dated 6 November 1959. The main item in the former propulsion machinery room is a large ship service diesel generator, and an extension has been added to the stern with a maneuvering unit. The upper levels of the two forward holds are now laboratory spaces. The hydrophone cable handling platform shown above the forecastle was eliminated before completion.
Photo No. None
Source: U.S. National Archives RG 62 Entry P 62 box 98
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USS MONOB I (YAG 61)
Photo from the October 1961 issue of the BUSHIPS Journal showing her in essentially her original YW configuration with a walking deck and boat davits added forward of the bridge.
Photo No. None
Source: catalog.hathitrust.org/Record/008338644
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USS MONOB I (YAG 61)
Photographed during the 1960s with some modifications including an extension forward of her original YW deckhouse. From a collection of 40 color slides of the ship.
Photo No. UA 565.18.01
Source: U.S. Naval History and Heritage Command (UA 565.18)
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USS MONOB I (YAG 61)
Photographed during the later 1960s with further extensions forward of her original YW deckhouse and large cable reels added in the well just forward of the mast.
Photo No. None
Source: NavSource
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USS MONOB I (YAG 61)
Photographed in September 1970 soon after her new hull number, YAG 61, replaced her name, MONOB I, on her bow. Based at Port Everglades, Fla., she was an integral part of the Ship Acoustics Department of the Naval Ship Research and Development Center.
Photo No. Unknown
Source: U.S. Naval History and Heritage Command (L-file)
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USS MONOB I (YAG 61)
In an undated view printed by the David Taylor Naval Ship R&D Center at Port Canaveral, Fla. She has undergone considerable modifications since 1970 including the extension of the forecastle back to the foremast which raised the cable reels up a deck and an extension of the stern. Her crew, in dungarees, is manning the rail and saluting.
Photo No. Unknown
Source: U.S. Naval History and Heritage Command (L-file)
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USS MONOB (I) (YAG 61)
At Port Everglades, Fla., on 7 March 1993 with USNS Indomitable (T-AGOS 7) on the right. By 1983 the ship's crew was referring to her as MONOB and this image shows that name on the stern although the official photo caption calls her MONOB ONE.
Photo No. DN-SC-93-02931
Source: U.S. National Archives (RG-330)
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USS MONOB (I) (YAG 61)
At Port Canaveral, Fla., on 5 February 1994. She was then being operated for the Naval Ships Research and Development Center, Carderock, Md., Acoustic Trials Detachment to support the ballistic missile submarine silencing program.
Photo No. DN-SC-94-02386
Source: U.S. National Archives (RG-330)
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ARM Rio Suchiate (BI 05)
MONOB (I) in Mexican Navy service after a pennant number change in 2001. She was still in service in 2019 but possibly not in 2022.
Photo No. None
Source: NavSource
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