List of unclassified miscellaneous vessels of the United States Navy
The IX hull classification symbol is used for ships of the United States Navy that do not fit into one of the standard categories. While most of the vessels in this category were unnamed barges and floating shipyard equipment, it also includes retired battleships, training equipment and simulators, war prizes, and experimental vessels.
Vessels
- Annapolis — gunboat
- Dispatch — protected cruiser
- Briarcliff
- Alton — protected cruiser
- Coastal Battleship Number 4
- Commodore
- Cumberland
- Dubuque
- Essex
- Gopher
- Hancock
- Hartford
- Hawk
- Prairie State
- Monadnock
- Nantucket
- Newport
- Constellation
- Constitution
- Oregon
- Paducah
- Philadelphia
- Reina Mercedes
- Southery
- Sturgeon Bay
- Wheeling
- Wilmette
- Yantic
- Newton
- Henry County
- Topeka
- Light Target Number 2
- Light Target Number 3
- Empire State
- Seattle
- Olympia
- America
- Camden
- Freedom
- Damage Control Hulk Number 1
- Favorite
- Transfer
- Vamarie
- Highland Light
- Spindrift
- Bowdoin
- Sea Otter I
- Cheng Ho
- Sea Otter II
- Galaxy
- Black Douglas
- Araner
- Dwyn Wen
- Volador
- Seaward
- Geoanna
- Vileehi
- Zahma
- Wolverine
- Blue Dolphin
- Migrant
- Guinevere
- Burleson
- Seven Seas
- Puritan
- Gloria Dalton
- Kailua
- Liberty Belle
- Zaca
- Metha Nelson
- John M. Howard
- Ramona
- Juniata
- Brave
- El Cano
- Christiana
- Sable
- Luster
- Ashley
- Congaree
- Euhaw
- Pocotaligo
- Saluda
- Wimbee
- Romain
- Forbes
- Palomas
- Liston
- Irene Forsyte
- Ronaki
- Echo
- Richard Peck
- Martha's Vineyard
- Moosehead
- Sea Cloud
- Racer
- Big Chief
- Majaba
- E.A. Poe
- Peter H. Burnett
- Panther
- Greyhound
- Zebra
- Atlantida
- Antelope
- Ocelot
- Armadillo
- Beagle
- Camel
- Caribou
- Elk
- Gazelle
- Gemsbok
- Giraffe
- Ibex
- Jaguar
- Kangaroo
- Leopard
- Mink
- Moose
- Panda
- Porcupine
- Raccoon
- Stag
- Whippet
- Wildcat
- Abarenda
- Andrew Doria
- Antona
- Arayat
- Arethusa
- Carondelet
- Celtic
- Malvern
- Octorara
- Quiros
- Manileno
- Signal
- Silver Cloud
- Clyde
- Villalobos
- Fortune
- Supply
- North Star
- Trefoil
- Quartz
- Silica
- Carmita
- Asphalt
- Bauxite
- Mustang
- City of Dalhart
- Orvetta
- Limestone
- Feldspar
- Marl
- Barite
- Lignite
- Cinnabar
- Corundum
- Flicker
- Linnet
- Leyden
- Southland
- President Warfield
- Curlew
- Albatross
- Bluebird
- Etamin
- Grumium
- Kestrel
- Kingbird
- Nightingale
- Banshee
- Kenwood
- Flamingo
- Egret
- Donnell
- Catbird
- Clifton
- Stonewall
- Dawn
- Belusan
- Chotauk
- Marmora
- Nausett
- Vandalia
- Flambeau
- Meredosia
- Killdeer
- Goshawk
- Spark
- Mariveles
- Cohasset
- Barcleo
- Maratanza
- Sterling
- Liberator
- Agile
- Allioth
- Callao
- Chocura
- Big Horn
- Domino
- Seaward
- Sea Foam
- Castine
- IX-212
- Serapis
- Yucca
- Don Marquis
- Unicoi
- Tackle
- Gardoqui
- Eureka
- Pegasus
- Triana
- Aide de Camp
- Harcourt
- Araner
- Gamage
- Justin
- Inca
- Tapacola
- Stalwart
- Summit
- IX-236 through IX-299 unused
- Prinz Eugen
- Conecuh
- Atlanta
- Prowess
- IX-306
- Brier
- New Bedford
- Monob One
- IX-310
- Benawah
- ex-Horst Wessel
- IX-328 through IX-500 unused
- Elk River
- Mercer
- Nueces
- IX-505
- IX-506
- Underwater Explosives Barge Number 1
- IX-510
- IX-511 former Landing Ship Tank
- IX-512
- IX-513 EMPRESS II Electromagnetic Pulse Environment Simulator for Ships
- ex-Bay Lander
- IX-515
- IX-516
- Gosport
- ex-Proteus
- IX-519
- IX-520
- ex-Artisan section 1D
- IX-522
- IX-523
- IX-524
- ex-Artisan section 1C
- IX-526
- IX-527
- IX-528
- Sea Shadow
- IX-530
- IX-531
- Joint Venture
- IX-533
- IX-534
- IX-535
- IX-536
- IX-538
- Neodesha
- White Bush
- IX-545