RULER-Class
Escort Aircraft Carrier obtained under
US/UK Lend/Lease Agreement. A mercantile
under construction by Seattle-Tacoma
Shipbuilding Corporation at Seattle and
requisitioned
by the U S Navy for completion as an
auxiliary aircraft carrier (CVE) to be
named USS ST. JOSEPH. She was laid down
on 25th March 1943 and launched on 21at
August that year. Build was completed by
Willamette Iron and Steel at Portland on
20th December 1943 and she was
transferred to the Royal Navy as HMS
RULER. This ship was fitted with US Navy
radar outfits during build and the first
RN ship to carry this name.
B
a t t
le H o n o u r a
ATLANTIC 1944 - OKINAWA 1945
H
e r a l d i
c D a t a
Badge:
On a Field Blue a dexter
gauntlet proper grasping a baton
ensigned to
the dexter
with a crown and held
Motto
'Through
vigilance'
D
e t a i l
s o f W a
r S e r v i
ce
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1
9 4 3
December
Contractors trials
20th
Build completion and moved to Seattle
for transfer to Royal Navy
22nd
Commissioned for RN service as HMS RULER
31st
Took passage to HM Canadian Dockyard, Esquimalt
to commence modifications to suit RN
service
and to carry
out further sea trials.
1
9 4 4
January
Under modification
to
February
March
On completion carried out further trials
based in Vancouver
20th
Took passage to east coast of USA
to embark aircraft for delivery to UK.
April
Nominated for initial deployment as a
Ferry Carrier in Western Approaches
Command.
8th
Arrived at Norfolk,
Va
Embarked aircraft for delivery to UK
21st
Sailed from New
York
for passage to Liverpool
May
6th
Arrived at Liverpool
9th
Sailed for New
York
to embark aircraft for delivery to UK
23rd
Arrived at New
York.
26th
Sailed from New
York
with embarked aircraft.
June
11th
Disembarked aircraft on arrival at Liverpool.
24th
Under refit in commercial shipyard at Liverpool
August
Under refit
(Note:
Completion of modifications to suit RN
service is to be confirmed)
September
18th
Moved to Clyde
30th
Sailed from Clyde
to embark aircraft
October
Passage to Norfolk
to collect aircraft.
16th
At Norfolk.
31st
Sailed from Norfolk
to New
York.
November
Passage to Clyde
from New
York.
18th
Arrived in Clyde
Disembarked aircraft
Taken in hand for defect rectification
December
Nominated for operational service and to
carry out work-up in Clyde
area on completion
of repair.
Embarked HELLCAT aircraft and personnel
of 885 Squadron for work-up..
30th
Commenced work-up for operational
service.
1
9 4 5
January
Work-up in Clyde
area in continuation
28th.
Nominated for service as replenishment
carrier in British Pacific Fleet.
Sailed from Clyde
to join Fleet in Sydney
(Note: In
addition to 885 Squadron, 1772 Squadron
FIREFLY aircraft were also embarked
for passage.
February
Passage to Australia.
March
16th
Arrived at Sydney.
and
disembarked aircraft.
Joined 30th Aircraft Carrier Squadron
attached to Task Force 112, British
Pacific Fleet,
Fleet Train
Nominated for
deployment as transport for
replacement aircraft to operational
area.
(Note: CVE
deployed in this role also provided
additional air cover during refuelling
periods.)
April
Passage to British Pacific Fleet forward
Baas at Manus, Admiralty Islands
(Note:
British Pacific Fleet had joined US
Fifth Fleet and designated as Task Force
57 for
deployment
with US Navy to carry out air operations
to neutralise Japanese airfields
in Sakishimo-Gunto
Island Group (Operation ICEBERG I)
This operation was in support of US
assault landings on Okinawa.
For details of BPF operations in Pacific
see THE FORGOTTEN FLEET by J Winter,
OPERATION PACIFIC by E Grey, TASK FORCE
57 and WAR WITH JAPAN
(HMSO).
Took passage from Manus for US Navy
Forward Base at Leyte to join Logistics Group of
British Fleet Train.
(Note: 885 Squadron had been expanded to
an AVENGER/HELLCAT squadron to
ensure
adequate air cover during replenishment
operations.)
May
6th
Deployed with Logistics Support Group of
Fleet Train in Area COOTIE and provided
air
cover during
replenishment of TF 57 ships during
replenishment of TF57 during second
phase of
operations in Sakishima-Gunto
Group (Operation ICEBERG II).
(Note: HM
Escort Carrier STRIKER was also present
and the Fleet Train was screened by
HM Destroyers NAPIER, NORMAN,
NEPAL,
HM Frigate AVON, HM Sloops
WHIMBREL and
PHEASANT.)
10th
Deployed with HM Escort Carrier SPEAKER
during replenishment of Task Force 57
ships in Area
COOTIE ONE.
(Note:
Screen for Fleet Train was provided by
HM Destroyer NEPAL,
HM Sloops CRANE,
WOODCOCK, PHEASANT, HM Minesweepers
WHYALLA (RAN) and
BALLARAT (RAN).
14th
Deployed with HM Escort Carrier
STRIKER daring further replenishment
in Area COOTIE.
(Note:
Screen mm provided by HM Sloops CRANE,
WOODCOCK and PHEASANT.)
18th
Deployed with HM Escort Carrier CHASER
during further replenishment of TF57.
(Note:
Screen was provided by HM Destroyers
GRENVILLE, NORMAN. HM Frigate
PARRET and HM
Minesweeper BENDIGO
(RAN).)
20th
Deployed to provide air cover during tow
of HM Destroyer QUILLIAM by HM Destroyer
NORMAN
to Leyte.
(Note: HMS
QUILLIAM had sustained serious damage to
bow structure after collision with
HM Aircraft Carrier
INDOMITABLE in fog.
HM Cruiser BLACK PRINCE was deployed to
provide surface cover and later took
over tow .
.
21st
Tow transferred to HM Tug WEASEL
27th
Arrived at Leyte
on release from air cover.
Passage from Leyte
to Sydney
June
Nominated for further service with Task
Force 112 in support of planned BPF
operation,
Joined HM Cruiser SWIFTSURE and HM
Destroyer TERMAGANT at Manus
for an attack
on Truk by
BPF ships. (Operation INMATE.)
.
(Note:
Other ships in TF112 included:
Unit One: HM Aircraft Carrier
IMPLACABLE.
Unit Five: HM Cruisers NEWFOUNDLAND,
UGANDA
(RCN)
and ACHILLES
(RNZN).
Unit 15: HM Destroyers TROUBRIDGE,
TERPSICHORE, TENACIOUS and
TEAZER
12th
Sailed with TO 112.2.2 from Manus for
INMATE
.
14th
Provided air cover for HMS IMPLACABLE
during air strikes on Truk.
16th
Returned to Manus with Task Group 112
ships.
Took passage to Australia,
to embark aircraft and for
maintenance.
Nominated for deployment as a
Replacement Carrier in Forward area
during BPF operations
off Japan.
(Note:
Ships of BPF were transferred to US
Third Fleet and re-designated as TF37
This change was made as a result of
re-organisation of US naval command in
the Pacific
Theatre. See
above references.)
July
4th
Passage to Forward area with ships of
Fleet Train.
20th
Deployed with HMS RULER and HMS STRIKER
in Forward Area during replenishment
of BPF ships
in operational area off Japan.
(Note: Screen
was provided by HM Destroyers NAPIER,
NIZAM, HM Sloops
PHEASANT, REDPOLE, WHIMBREL, HM Frigate
FINDHORN and HM
Minesweeper GAWLER
(RAN).
Nominated with HM Escort Carrier ARBITER
for conversion as an auxiliary Oiler
to ensure
minimum
delays during replenishment periods
caused by shortage of fuel from British
sources.
Passage to Mamas for
conversion.
(Note:
Conversion was delayed and further
deployment required as a Replacement
Carrier.)
28th
Deployed with HMS SPEAKER and HMS
STRIKER during BPF off Japan.
(Note: :
Screen was provided by HMS NAPIER, HMS
NIZAM, HMS NEPAL,
HMS
PHEASANT, HM Frigates PARRET, PLYM, HM
Australian Minesweepers
LAUNCESTON, WHYALLA and PIRIE..
31st
Deployed with HMS CHASER and HMS SPEAKER
during replenishment of the ships of
BPF off Japan.
(Note:
Screen was provided by HM Destroyer
QUEENBOROUGH, NORMAN,
HM
Sloops PHEASANT, REDPOLE, CRANE and
WOODCOCK, HM Minesweeper
PIRIE, HM Frigates
ODZANI and DERG.
August
6th
Deployed with HMS ARBITER and HMS CHASER
during replenishment of the ships of
the BPF off Japan.
(Note:
Screen was provided by HMS NORMAN,
HMS NIZAM, HMS PHEASANT,
HMS CRANE, .HM Frigate BARLE, HM
Australian Minesweepers BALLARAT
and BURNIE.)
13th
Deployed off Japan
during last replenishment of BPF ships
during attacks on the Japanese
mainland
screened by HMS PHEASANT, HMS CRANE, HM
Frigates FINDHORN, USK
BARLE, HM Australian Minesweepers
BALLARAT, BURNIE, GERALDTON and
IPSWICH.
On completion withdrew from operational
area and took passage to Manus.
(Note:
British Pacific Fleet ships, except for
token force was withdrawn from the Joint
US/RN operations against targets on
Japanese mainland because of a lack of
fuel
from British
sources. See above references.)
15th
Reverted to RN control and nominated for
transport of allied prisoners of war and
nationals
interned
after December 1941.
Passage to Japan
to collect passengers.
31st
Arrived in Tokyo
Bay
September
2nd
Present during formal surrender of
Japanese
13th
Sailed from Tokyo
Bay
to Manila
with 445 passengers.
P o s t W a r N o t e s
HMS RULER continued deployment for transport of RAPWI and support
Royal Navy ships and shore bases in the
Far East until 22nd October 1945 when
she returned to UK to Pay-off..
The ship arrived in the Clyde on 3rd
December 1945 and commenced de-storing
with removal of British equipment. On
4th January 1946 the ship sailed fro
Southampton took passage to Norfolk a
few days later. She was Paid-off
returned to US Navy custody on 28th January
1946 and formally returned to US Navy
the next day. Later that year she was sold for demolition by a US ship
breaker.