NAVSECGRU Stations Past and Present

Listed Alphabetically by Country, then by Location


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Overseas Stations .. A - M





Admiralty Islands

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Lorengau, Manus Island
    Admiralty Islands
AT NTF DF 17 Jun 1944 1 Oct 1945 SUPRADSTA




Alaska

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Adak/Clam Lagoon, AK AX NHC/NUD DF RI Sep 1943 31 Jan 1996 COMSUPACT   Sep 1943 - Oct 1951
NCS (NRS(S)/NSGDept)   Oct 1951 - 1 Apr 1977
NSGA   1 Apr 1977 - 31 Jan 1996

RFP in WW II.  DAJ in use thru late 1950's.
HFDF Ops (AN/GRD-6) at Zeto Point
during the late 1950's thru late 1964.
AN/FRD-10A CDAA initial phase of construction - 1962.
HFDF Ops (AN/FRD-10A) at Clam Lagoon
began around Dec 1964.
AN/GRD-6 antennas deinstalled in Nov 1965.
Dec 1994 SPECCOM and HFDF ops terminated.

Amchitka, AK AK NJZ/NDN DF Aug 1943 Feb 1945 NAVRADSTA
Anchorage, AK _ NHB/NYM DF 11 Apr 1966 28 Feb 1998 NSGA at Elmendorf AFB
Anchorage, AK _ _ _ (1995) * NSGSuppDet ONE
Anchorage, AK _ _ _ 22 Nov 1991 Active Originally named NSGSD Anchorage.
It was commissioned on 22Nov 1991 at
the same ceremony with NSGSD Shemya.
In 1993 this detachment was changed to
NSGSD 7. On 03 Oct 2005 renamed as
NAVIODET ANCHORAGE AK
Located at Elmendorf AFB, AK
Cape Chiniak, AK _ NHB DF May 1946 11 Apr 1966 USCG July 1944-May 1946, then returned
to Navy. See Kodiak - Former NRS, NSGA
Transferred to Anchorage
Dutch Harbor, AK K NPR DF 1938 Jul 1943 NAVRADSTA..Moved to Umnak
Kodiak, AK AG NFM/NHB DF May 1942 Jul 1944 At Cape Chiniak. USCG 1944-1946.
See Cape Chiniak
Shemya, AK _ _ _ 1963 >1968 First (TAD) NSG Det in 1963. Then fulltime
NSGDet in 1965. POIC/CPOIC - Det out of Adak.
Located with 5073rd Air Base Squadron (AAC)
Shemya, AK.
Shemya, AK _ _ _ 22 Nov 1991 * Originally named NSGSD Shemya.
It was converted to NSGSD 3 in 1993 when
the Parent Command chose to re-name all
detachments to align with the Fleet
numbering system (even numbers for LANT,
odd for PAC). Somewhere around 1996 this
detachment was combined with NSGSD 7 and
was re-named NSGSD 7 FWD (forward deployed).
Sitka, AK AE NHF DF Sep 1941 Jul 1944 NAVRAD DF STA..Transferred to CG
Umnak, Otter Pt, AK K NHG DF Jul 1943 Aug 1945 SUPRADSTA




Australia

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Adelaide River NT AS AA none DF RI 23 Mar 1943 21 Sep 1945 SUPRADSTA
Alice Springs NT AS _ _ _ Oct 1998 Active NAVDET Combined Spt. Group at Pine Gap
On 03 Oct 2005 renamed as
NAVIODET ALICE SPRINGS NT AS.
Cooktown, QLD AS _ none RI May 1944 Oct 1944 FRU Det. Est. Sep 1943
Exmouth Gulf, W. AS X none DF Apr 1943 Nov 1944 Naval HFDF Station
Melbourne, NSW AS B _ RI May 1942 1 Nov 1945 FRUMEL - At Moorabbin
North West Cape, W. AS _ NWC _ 16 Sep 1967 Oct 1992 NSGDept of NCS Harold E. Holt




Azores

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Terceira Island, Azores _ NTA/CTE5 DF RI 1952 30 Jun 1994 Est. at Vila Nova. Then in 1954 moved to
Agualva (NCU 42). Designated as NSGA
on 9 Jun 1958. Located at U.S. Air Base Lajes Field




Bahrain

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Bahrain _ _ _ 1 Oct 1998 Active NSGA till 30 Sep 2005.
On 03 Oct 2005 renamed as
NAVIOCOM BAHRAIN




Brazil

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Bahia, Brazil AS NXT DF 14 Sep 1943 Aug 1945 Transferred to CG
Belem, Brazil AQ NYY DF Sep 1943 Aug 1945 Transferred to CG
Recife, Pina, Brazil AR NZX/NKM/BZ2 DF RI (Jul 1943) 31 Dec 1956 (Jul 1943)   SUPRADSTA
NCU-33. transferred to Brazilian Navy
Rio Grande de Sul, Brazil _ NQZ DF Not Established n/a _
Santos, Brazil _ NUX DF Not Established n/a _




China

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Chiki, China _ _ DF Mar 1943 (1945) Mar 1943   DF station est.
Chungking, China F NCF DF RI Oct 1942 30 Aug 1945 Oct 1942  Friendship Unit est.
FRU China
Kunming, China F _ DF RI Oct 1944 Aug 1945 _
Kweilin, China F _ RI May 1944 Oct 1944 May 1944  FRU est.
Oct 1944  FRU moved to Kunming.
Peiping, China A (NPP) RI 1927 Jul 1935 Moved to Shanghai
Shanghai, China A _ RI Mar 1924 Mar 1927 1924 at US Consulate
Moved to Station Ship
Shanghai Station Ship _ _ RI 1927 Mar 1929 1929 RI moved to Guam
Shanghai, China A _ DF RI Jul 1935 Dec 1940 4th Marine Reg/DT installed summer 1939
Moved to Corregidor Dec. 1940
Tsing-tao, China _ _ _ 1947 Apr 1949 NCU-36. Commanded by a Chief in Charge.




Cuba

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Guantanamo Bay, Cuba Q NEN DF CS Jul 1940 30 Jun 2000 July 1940  DT installed. 1943 COMSEC 204.
NSGA from 16 Sep 1966. NSGA located on
John Paul Jones Hill. Decommissioning
ceremonies held on Mar 16, 2000.




Curacao

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Curacao
    Netherlands West Indies
AV NSL DF Jul 1943 Jun 1945 Jul 1943   Strategic DF Station est.




Cyprus

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Famagusta, Cyprus _ _ _ (1952) Oct 1957 Joint U.S./U.K Combined Naval Unit.
NSA Field Detachment Cyprus,
attached to 2 Wireless Regiment,
Royal Signals, Famagusta Cyprus.
Nicosia, Cyprus _ NKP _ Jun 1957 23 Apr 1974 US NAVFAC at Yerolakkos, Cyprus




Denmark

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Greenland, Denmark AB NTG DF Sep 1941 Aug 1945 Located at Gamatron Island.
Transferred to CG




Diego Garcia, BIOT

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Diego Garcia, BIOT _ NKW DF 20 Mar 1973 30 Sep 2005 NSGDept - NSGDept disest. 30 Sep 2001
NSG Detachment est. 1 Oct 2001




Eleuthera Island, BWI

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Eleuthera Island, BWI _ _ DF 1961 summer 1965 Used AN/TRD-4. Unit was replaced by
Army Security Agency unit in 1965




Ethiopia

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Asmara, Ethiopia _ NKA _ 2 Oct 1958 (Jul 1968) NCU-3 established 1948.
NSG personnel arrived 1958
NCU-3 to NCU-Asmara.. 22 Jun 1961
NCU-Asmara to NCS Asmara - at
ASA Kagnew Station




Germany

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Augsburg, Germany _ _ DF 1 Mar 1972 15 Mar 1996 NSGDet to NSGA..Moved to Bad Aibling
Bad Aibling, Germany _ _ _ 1 Oct 1994 26 Aug 2004 NSGA till Jan 9, 2003. Then,
NSGDet (POIC) under NSGA Naples.
NSGDet subsequently disest. and NSGA reest.
prior to June 2003.
Army host closed eff. Sep 30, 2002.
Moved to Griesheim, Germany.
Bremerhaven, Germany _ NGB/NGB1 DF RI Fall 1951 31 Dec 1972 NCU 32D - NSG Ops begin in the Fall 1951
NSGDet (OIC) 9 Feb 1953 - 11 June 1956
NSGA (CO) 11 June 1956 - 31 Dec 1972
Moved to Augsburg
Griesheim, Germany _ _ _ 26 Aug 2004 30 Sep 2006 Formerly at Bad Aibling.
NSGDet (POIC) under NSGA Denver, CO.
Colocated with U.S. Army 66th Military
Intelligence Group at US Army Kaserne
Griesheim, Germany. On 03 Oct 2005
renamed as NAVIODET GRIESHEIM GE
Todendorf, Germany _ none RI EI 20 Jul 1956 15 May 1976 NSGDept (Dept Head)  20 July 1956 - 1 May 1958
NSGDet (OIC)  1 May 1958 - 1 July 1960
NSGA (OIC)  1 July 1960 - 13 April 1968
NSGA (CO)  13 April 1968 - 15 May 1976
Van operated on Fehmarn Island 1957-1962,
and later from Dahme, Germany.
Camp Todendorf 54:22N 10:33E




Gilbert Islands

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Tarawa, Gilbert Islands AN NWN DF 13 Dec 1943 27 Nov 1944 Moved to Iwo Jima




Greece

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Athens, Greece _ AJG DS 17 Aug 1973 1 Oct 1990 NSG Det at Athenai Air Force Base,
Ellenikon International Airport.. 19 May 1980
NSG Det to NSGA.. 1 Oct 1990 became a part
of NSG Det Rota
Souda Bay, Crete, Greece _ _ _ Oct 1999 30 Sep 2006 NSGDet .. Det of NSGA Rota




Hawaii

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Barbers Point, Oahu, HI _ _ DS Jul 1983 Jul 1999 NSGDet .. moved to Kaneohe Bay MCB
Camp Smith, Oahu, HI _ _ _ (1996) Active NSGSuppDet. On 03 Oct 2005
renamed as NAVIODET CAMP H M SMITH HI
Hawaii _ _ DS 01 Oct 2004 Active NSGA Kunia and NSGA Pearl Harbor
merged to become NSGA Hawaii.
On 03 Oct 2005 renamed as
NAVIOCOM HAWAII
NSA/CSS Hawaii -- HRSOC
(Kunia to be replaced by Wahiawa)
(Formerly listed as KRSOC)
Heeia, Oahu, HI H _ RI Jun 1933 Dec 1941 Moved to Wahiawa via Wailupe
Kailua, Oahu, HI _ NPH DF May 1943 Jul 1945 May 1943  DF est. for tracking friendly acft.
Transferred to CG
Kaneohe Bay, Oahu, HI _ _ DS Jul 1999 Active NSGDet at Marine Corps Base.
Moved from Barbers Point.
On 03 Oct 2005 renamed as
NAVIODET KANEOHE BAY HI
Kunia, Oahu, HI _ _ DS 14 Nov 1980 30 Sep 2004 NSGA..Army was host;
then Navy host on 7 Mar 1995
disest. 9-30-2004 and merged with Pearl Harbor
to become NSGA Hawaii
Lualualei, Oahu, HI L NPM DF Nov 1937 Mar 1942 Nov 1937  CXK HFDF installed.
Moved to Wahiawa
Pearl Harbor, Oahu, HI _ _ DS Oct 1951 30 Sep 2004 NSGDet .. NSGA from 1 July 1982.
disest. 9-30-2004 and merged with Kunia
to become NSGA Hawaii
Port Allen, Kauai, HI _ NZP DF May 1943 Jul 1945 May 1943  DF est. for tracking friendly acft.
Transferred to Coast Guard
Wahiawa, Oahu, HI H NIT/NPM DF RI CS Jan 1942 23 Jun 1998 Mar 1942  DF moved from Lualualei.
Dec 1942  Navy acquired FCC Wahiawa Sta.
1 Jan 1947 COMSUPACT (NIT)
COMSECACT (NPM1).CS #101 NRS.
NSGDept. - Msn ceased 20 Apr 1998.
CDAA removed Sep 2007.
Wailupe, Oahu, HI H NIT/NPM RI 1925 1928 Naval Radio Receiving and Control Station
Wailupe, Oahu, HI H NIT/NPM DF Jun 1931 1939 DF Moved to Lualualei
Wailupe, Oahu, HI H NIT/NPM RI Jun 1931 Jul 1933 RI Moved to Heeia




Iceland

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Keflavik, Iceland _ NEB DF 18 Mar 1959 30 Jun 1994 Advance party established    18 Mar 1959
NSGA    25 Apr 1959 - 30 Jun 1994
Site was first located at Hafnir, then in 1979
all OPS moved to the Sandgerdi/Rockville site.
Closing ceremonies held 18 May 1994.




Indonesia

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Morotai Island, Indonesia _ _ DF 24 Jan 1945 3 Feb 1945 Netherlands East Indies during WWII




Italy

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Naples, Italy _ ( NNI ) DS CS Jan 1952 31 Mar 2005 COMSEC 601. Jan 1952 as NCU - 1958 as a NSGDet -
Upgraded to NSGA on 1 Oct 1979
located at Agnano - moved to Capodochino
disest 31 Mar 2005.
San Vito dei Normanni,
Brindisi, Italy
_ NSV DF 23 Sep 1964 6 Jan 1993 NSGA at USAF Air Station




Japan

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Atsugi, Japan _ _ DS 15 Dec 1971 30 Sep 1994 NSGDet at NAS/NAF.. 1 Aug 1991 redesig.
to NavReconSupp Det, Misawa.. 30 Sep 1994
absorbed into NSGA Misawa
Chitose, Japan _ (NDT1)/NDT9 DF (1953) Sep 1965 NSGDet at U.S. Army Kuma Station
Hakata, Japan _ NTM DF RI DS May 1959 Apr 1972 NSGDet - NSGA est. 1 Jul 1967
located at Brady Air Base.
Iwo Jima,
    Volcano Islands, Japan
AN NBR DF RI Apr 1945 Dec 1945 SUPRADSTA..Moved here from Tarawa
Kami Seya, Japan _ NDT/NDT6 DF RI CS Dec 1952 1 Jun 1995 Dec 1952 - 15 Jan 1960 NSGDept
at NCF/NRF(R) // NSGDept at NCS;
COMSEC 702, moved to Yokosuka Sep/Oct 1962.
15 Jan 1960 - 30 Jun 1971 NSGA;
30 Jun 1971 - 23 May 1984 NSG Det.;
23 May 1984 - 1 Jun 1995 NSGA
Misawa, Japan _ NDT9/NEZ DF 5 Jan 1962 10 Oct 2014 NSGDet from 5 Jan 1962..NSGA est.
Mar 71,commissioned 1 July 1971.
Located at US Air Base.
On 03 Oct 2005 renamed as
NAVIOCOM MISAWA JA
Disestablished 1 Oct 2014
Misawa, Japan _ _ _ ( 1995 ) * NSGSuppDet
Okinawa, Aragusuku
    Ryukyu Islands, Japan
AL NCN DF RI Jul 1945 Nov 1949 SUPRADSTA    Jul 1945 - Jan 1947
COMSUPACT    Jan 1947 - Nov 1949
ComUnitSupp #3256
3256 was the Navy Post Office Number
for Okinawa known as "Navy No. 3256."
Okinawa, Tengan
    Ryukyu Islands, Japan
AL NCN DF RI Nov 1949 1955 NCU 37. Moved to Futenma.
Okinawa, Futenma,
    Ryukyu Islands, Japan
_ NCN DF RI 1955 Aug 1960 NCU 37    1955 - Aug 1957
NSGA    Aug 1957 - Aug 1960
All OPS ceased in Oct 1962.
Okinawa, Hanza,
    Ryukyu Islands, Japan
_ NCN DF RI CS Aug 1960 Jun 1998 CS #704 NSGDet. - RI at JSPC Sobe.
JSPC Torii Stn, Sobe moved to Kunia in 1980
NSGA Hanza Ops began Oct 1962.
NSGA Closed 1 June 1998
CDAA/Ops Bldg finally removed
in June 2007.
Ominato, Japan _ _ RI 15 Dec 1945 22 Apr 1946 COMSUPACT Detachment.
Moved to Yokosuka
Sakata, Japan _ _ RI EL Nov 1956 7 Sep 1962 NSGDet    Nov 1956 - 26 June 1957
NSGA    26 June 1957 - 7 Sep 1962
Station fully closed in Oct 1962.
Van/Site also operated on Mt Chokai.
Sasebo, Japan _ NDT6/
NDT3/NDT10
DF Dec 1957 Jul 1967 NSGDet
Tokyo, Japan _ NDT _ _ 1954 NCU 38 - moved to Yokosuka
Tokyo, Japan _ NDT _ 1957 1959 NCU 38 - Far East Command support
Wakkanai, Japan _ _ R/T 1952 >1990 First Det established in early 1952 thru late 1952.
It was located at Detachment 12, 1st Radio
Squadron Mobile at Wakkanai Air Station.
Later NSGDet(s) also at Wakkanai Air Base.
Yokosuka, Japan _ NDT/NTO DF RI CS 22 Apr 1946 Active Moved from Ominato, Japan
22 Apr 1946 - Aug 1948 COMSUPACT Det.;
Aug 1948 - 22 Nov 1948 COMSUPACT;
22 Nov 1948 - 29 Dec 1950 COMMUNIT 35;
29 Dec 1950 - 12 Dec 1952 NCF/NRF(S);

1954 NCU-38 moved from Tokyo;
COMSEC 702 Sep/Oct 1962 - ?.
COMNAVFE support

1 Aug 1969 - 1 Jun 1995 NSG Det.;
1 Jun 1995 - 30 Sep 2005 NSGA.
On 03 Oct 2005 renamed as
NAVIOCOM YOKOSUKA JA
NIOC Yokosuka disestablished October 12, 2021




Johnston Island

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Johnston Island, USA AI NJE DF May 1943 1 Jan 1946 May 1943  DF station est.
SUPRADSTA..Transferred to CG




Korea

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Pyong Taek, Korea _ NLS/(NDT-?) DF RI 1 Mar 1972 11 Dec 1993 NSGDet. NSGA est 13 June 1980. At
Camp Humphreys, Zoekler Station,
Anjong Ri, Pyong Taek, Republic of Korea
Seoul, Korea _ _ _ 1 Oct 1997 Active NSGDet till 30 Sep 2005.
On 03 Oct 2005 renamed as
NAVIODET SEOUL KOR
Admin for SUSLAK.
SUSLAK, Korea _ _ _ (1950) Active Ops at Yongsan and Pang-gyo




Mariana Islands

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Guam, Libugon B NPN DF RI Mar 1929 Dec 1941 NRS..Captured
1934 - RI moved from abandoned tuberculosis
hospital on a hill behind Agana to the Libugon
radio transmitting station which had been
decommissioned in 1932.
Guam, JCA A NIM RI TA 28 Dec 1944 21 Sep 1945 Joint Radio Analysis Group, Forward Area
(RAGFOR) at the Joint Communications Area
(JCA)
Guam, Finegayan A NIM/NPN DF RI CS Oct 1944 30 Jun 2000 Oct 1944  RI and DF station est.
CS #701. COMSUPACT - NRS
1954 NSGDept. - Msn ceased 31 Dec 1999.




Marshall Islands

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Kwajalein, Marshall Islands AO NDJ DF RI 29 Feb 1944 (Jun 1959) NCU 40. SUPRADSTA.
RI secured 8 Dec 1945




Midway Islands

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Midway Islands, USA AF NGQ/NQM DF RI Nov 1941 Feb 1971 NCU 43 active from 1 July 1954.
NSGA - on Eastern Isl.




Morocco

STATION  Desig.   Callsign   Type   Est.     Disest.       Remarks   
Port Lyautey,
French Morocco
_ NHY DF RI 1946 Dec 1953 At Naval Air Station. NCU 12 SUPRADGRP-
COMSUPACT/SUPRADSTA (NCF) -
NSGDept (NCS) - moved to Sidi Yahia
Sidi Yahia, Morocco _ NHY/CNL DF RI Dec 1953 Dec 1976 Former NSGDept at NavCommSta.
RI/DF terminated as of Aug 1972.
All NSG departed May 1975





Legends:
  *   - These stations are Disestablished, but the date is unknown.
CS - COMSEC
DS - DIRSUP

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