To this class belongs the following boom defence vessels.
HMS Barbain (From 01)
HMS Barbarian (out Of 18)
HMS Barbastel (From 276)
HMS Barberry (From 257)
HMS Barbette
HMS Barbette (From 242)
HMS Barbican (out Of 43)
HMS Barbour (From 169)
HMS Barbourne (From 170)
HMS Barbrake (From 173)
HMS Barbridge (From 222)
HMS Barbrook (Of 03)
HMS Barcarole (From 287)
HMS Barcastle (From 09)
HMS Barcliff (out Of 70)
HMS Barclose (From 174)
HMS Barcock (Of 177)
HMS Barcombe (out Of 16)
HMS Barcote (out Of 52)
HMS Barcroft (out Of 22)
HMS Barcross (From 185)
HMS Bardell (From 195)
HMS Bardolf (Of 171)
HMS Barfair (out Of 31)
HMS Barfield (out Of 42)
HMS Barflake (From 184)
HMS Barfoam (From 182)
HMS Barfoil (From 194)
HMS Barfoot (From 202)
HMS Barford (From 209)
HMS Barfoss (out Of 200)
HMS Barfount (From 190)
HMS Barglow (From 205)
HMS Barhill (From 225)
HMS Barholm (From 211)
HMS Barilla (out Of 17)
HMS Baritone (Of 271)
HMS Barking (From 181)
HMS Barkis (From 277)
HMS Barlake (out Of 39)
HMS Barlane (out Of 48)
HMS Barleycorn (From 256)
HMS Barlight (out Of 57)
HMS Barlow (out Of 60)
HMS Barmill (Of 67)
HMS Barmond (From 232)
HMS Barmouth (Of 77)
HMS Barnaby (out Of 237)
HMS Barnard (From 241)
HMS Barndale (Of 92)
HMS Barneath (From 245)
HMS Barnehurst (out Of 84)
HMS Barnstone (out Of 37)
HMS Baron (Of 262)
HMS Baronia (out Of 87)
HMS Barova (Of 94)
HMS Barrage (out Of 54)
HMS Barranca (out Of 65)
HMS Barrhead (out Of 40)
The BATTLE of the Barricade (Of 83)
HMS Barrier (Of 98)
HMS Barrington (out Of 59)
HMS Barrymore (Of 73)
HMS Barsing (out Of 75)
HMS Barsound (From 89)
HMS Barspear (From 224)
HMS Barstoke (out Of 32)
HMS Barthorpe (Of 95)
HMS Bartizan (Of 261)
HMS Barwell (Of 46)
HMS Barwind (Of the 58).
HMS Barbain (From 01)
HMS Barbarian (out Of 18)
HMS Barbastel (From 276)
HMS Barberry (From 257)
HMS Barbette
HMS Barbette (From 242)
HMS Barbican (out Of 43)
HMS Barbour (From 169)
HMS Barbourne (From 170)
HMS Barbrake (From 173)
HMS Barbridge (From 222)
HMS Barbrook (Of 03)
HMS Barcarole (From 287)
HMS Barcastle (From 09)
HMS Barcliff (out Of 70)
HMS Barclose (From 174)
HMS Barcock (Of 177)
HMS Barcombe (out Of 16)
HMS Barcote (out Of 52)
HMS Barcroft (out Of 22)
HMS Barcross (From 185)
HMS Bardell (From 195)
HMS Bardolf (Of 171)
HMS Barfair (out Of 31)
HMS Barfield (out Of 42)
HMS Barflake (From 184)
HMS Barfoam (From 182)
HMS Barfoil (From 194)
HMS Barfoot (From 202)
HMS Barford (From 209)
HMS Barfoss (out Of 200)
HMS Barfount (From 190)
HMS Barglow (From 205)
HMS Barhill (From 225)
HMS Barholm (From 211)
HMS Barilla (out Of 17)
HMS Baritone (Of 271)
HMS Barking (From 181)
HMS Barkis (From 277)
HMS Barlake (out Of 39)
HMS Barlane (out Of 48)
HMS Barleycorn (From 256)
HMS Barlight (out Of 57)
HMS Barlow (out Of 60)
HMS Barmill (Of 67)
HMS Barmond (From 232)
HMS Barmouth (Of 77)
HMS Barnaby (out Of 237)
HMS Barnard (From 241)
HMS Barndale (Of 92)
HMS Barneath (From 245)
HMS Barnehurst (out Of 84)
HMS Barnstone (out Of 37)
HMS Baron (Of 262)
HMS Baronia (out Of 87)
HMS Barova (Of 94)
HMS Barrage (out Of 54)
HMS Barranca (out Of 65)
HMS Barrhead (out Of 40)
The BATTLE of the Barricade (Of 83)
HMS Barrier (Of 98)
HMS Barrington (out Of 59)
HMS Barrymore (Of 73)
HMS Barsing (out Of 75)
HMS Barsound (From 89)
HMS Barspear (From 224)
HMS Barstoke (out Of 32)
HMS Barthorpe (Of 95)
HMS Bartizan (Of 261)
HMS Barwell (Of 46)
HMS Barwind (Of the 58).