Ships containing U-23

Simplicity

Siren

Skate

Skjelbred

Snapdragon

Snapper

Solitaire

Somerset

Sonoma

Sooloo

Sophia

Sovereign

Speedwell

Spell On U

Spray

Sprig

Spy

St. George

St. John

St. Lawrence

St. Louis

Stanley

Star

Starlight

Statira

Stier

Stingray

Stockport

Stork

Success

Sunbeam

Sunset

Superb

Superior

Surprise

Susan

Swallow

Swan

Swift

Tabasco

Tacoma

Taku

Talbot

Tally Ho

Tara

Tasmania

Teal

Ted

Texan

Texas

Thetis

Thistle

Thomas

Thomas G. Thompson

Thomas Stephens

Thor

Thresher

Thurso

Ticonderoga

Tigress

Tinian

Tom

Tonawanda

Topa Topa

Tor

Toronto

Tortuga

Toucan

Townsend

Trafalgar

Traveller

Trenchant

Trident

Trinity

Triton

Triumph

Tropic

True Blue

Trumpeter

Tucker

Tulsa

Tura

Tusitala

Twilight

Two Brothers

U 79

U and I

U B W No 1

U S S Guam

U-23

U-559

UIT-23

Ulysses

Unanimity

Undaunted