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621st Tactical Control Squadron, Thailand

 

 

 
  Contributed  by Lee-Jackson Militaria  Ljmilitary@aol.com  

LINEAGE

The unit was constituted 621st Aircraft Control and Warning Squadron on 2 Jul 1946 and activated on 1 Aug 1946. After service in the Korean War the 621st was inactivated on 3 Feb 1958. Redesignated 621st Tactical Control Squadron, the unit was activated, on 7 Feb 1966 and organized on 23 Feb 1966.

UNIT AWARDS, DECORATIONS, & HONORS

Service Streamers

Korean Theater (Korean War)

Campaign Streamers

  • Vietnam Air
  • Vietnam Air Offensive
  • Vietnam Air Offensive, Phase II
  • Vietnam Air offensive, Phase III
  • Vietnam Air/Ground
  • Vietnam Air Offensive, Phase IV
  • TET 69/Counteroffensive
  • Vietnam Summer-Fall, 1969
  • Vietnam Winter - Spring, 1970
  • Sanctuary Counteroffensive
  • Southwest Monsoon
  • Commando Hunt V
  • Commando Hunt VI
  • Commando Hunt VII
  • Vietnam Ceasefire

US Decorations

AF Outstanding Unit Awards With Combat "V

  •  1 Sep 1965-25 May 1967;

  • 26 May 1967-25 May 1968;

  • 26 May 1968-25 May 1970;

  • 26 May 1970-25 Aug 1971;

  • 26 Aug 1971-28 Jan 1973.

Foreign

  Republic of Vietnam Gallantry Cross with Palm: 1 Apr 1966-28 Jan 1973.

Assignments

  • 527th Aircraft Control and Warning Group, 1 Aug 1946;
  • 528th Aircraft Control and Warning Group, 25 Sep 1947;
  • 41st Air Division, 15 Mar 1955-3 Feb 1958.
  • Pacific Air Forces, 7 Feb 1966;
  • 505th Tactical Control Group, 23 Feb 1966;
  • 432nd Tactical Reconnaissance (later, 432nd Tactical Fighter) Wing, 25 Mar 1973 (attached to Seventh AirForce, 25 Mar 1973-1 May 1975) ;
  • Thirteenth Air Force, 1 May 1975;
  • 17th Air Division, 1 Jul 1975;
  • Thirteenth Air Force, 1 Jan 1976;
  • 51st Composite Wing (Tactical) , 8 Jan 1976;
  • 5th Tactical Air Control (later, 5th Tactical Control) Group, 8 Jan 1980-.

Detachments

  • Detachment 6, Provisional (Niigata, Japan) : 22 Oct 1952-1 Jul 1954.
  • Detachment 6 (Niigata, Japan) : 1 Jul 1954-(by 30 Jun) 1957.
  • Detachment 8, Provisional (Komatsu AS, Japan) : 22 Oct 1952- 1 Jul 1954.
  • Detachment 8 (Komatsu AS, Japan) : 1 Jul 1954-24 Mar 1957. ,
  • Detachment 10, Provisional (Aikawa, Japan) : 22 Oct 1952-c. 1 Jul1954.
  • Detachment 12, Provisional (Sakata, Japan) : 22 Oct 1952-1 Jul 1954.
  • Detachment 12 (Sakata, Japan) : 1 Jul-14 Oct 1954.
  • Detachment 20 (Wajima, Japan) :22 Oct 1952-1 Jul 1954.
  • Detachment 23 (Wajima, Japan) : 1 Jul 1954-6 Jan 1958.
  • Detachment 46 (Kimpokunsan, Sado Shima, Japan) : 6 Jun 1953- circa. 1 Jul 1954.
  • Detachment 46 (Sado Shima, Japan) : 1 Jul-14 Oct 1954.
     

1966-1976

  • Detachment 3 (Ubon Afld [later, Ubon Royal Thai AFB), Thailand) : 23 Feb 1966-30 Jun 1975.
  • Detachment 4 (Green Hill [later, Khao Khieo), Thailand) : 23 Feb 1966-31 Mar 1971.
  • Detachment 5 (Nakhon Phanom Afld [later, Nakhon Phanom Royal Thai AFB), Thailand) : 23 Feb 1966-1 Oct1975.
  • Detachment 6 (Mukdahan, Thailand) : 23 Feb 1966-31 Dec 1969.
  • Detachment 7 (Chiang Mai Aprt [later, Chiang Mai Royal Thai AFB), Thailand] : 23 Feb 1966-1 Sep 1969.
  • Detachment 8 (Phitsanulok, Thailand) : 23 Feb 1966-30 Jun 1970.
  • Detachment 9 (Takhli Afld [later, Takhli Royal Thai AFB), Thailand) : 23 Feb 1966-15 Jan 1968.
  • Detachment 10 (Bang Sung Aprt [later, Bang Sung Royal Thai AFB), Thailand) : 23 Feb 1966-1968.
  • OLAA (Don Muang Aprt [later, Don Muang Royal Thai AFB), Thailand) : (by 30 Sep) 1973-(by 8) Jan 1976.
  • OLAB (Korat Royal Thai AFB, Thailand) : 31 Oct 1975-8 Jan 1976.

1989 - 1986

  • 20th Tactical Control Flight, 15 Dec 1989-.
  • 6130th Tactical Control Flight: 15 Jan 1979-15 Dec 1989.
  • 6140th Tactical Control Flight: 15 Mar 1980-1 Jan 1982.
  • 6140th Tactical Control Flight: 31 Jan 1987-15 Dec 1989.
  • Detachment 1 (Yongmun San, South Korea) : 15 Apr 1976-31 Aug 1986.
  • Detachment 2 (Mangil San, South Korea) : 15 Apr 1976-15 Apr 1986.
  • Detachment 3 (Palgong San, South Korea) : 15 Apr 1976-31 Mar 1986.
     

Stations

  • Palawan AAB, Philippine Islands, 1 Aug 1946;
  • Fort William McKinley, Philippine Islands, 1 Apr 1947;
  • Nagoya, Japan, c. 3 Jun 1947;
  • Johnson AAB, Japan, 25 Sep 1947;
  • Shiroi, Japan, 21 Jul 1948;
  • Niigata, Japan, 3 Jun 1949;
  • Sado Shima, Japan, 14 Oct 1954-3 Feb 1958.
  • Udorn Afld (later, Udorn Royal Thai AFB), Thailand, 23 Feb 1966-8 Jan 1976;
  • Osan AB, South Korea, 8 Jan 1976-.

Emblem

Description: On a blue disc a black silhouette of a radar search tower, entwined by a hooded cobra (shades of brown) emitting three red lightning flashes pale wise. In dexter base a black silhouette of a height finder. Above the serpents head a brown aircraft bendwise emitting three black vapor trails. The disc within a bordure of golden yellow scrolls above and below.

Significance. The emblem is symbolic of the Squadron. The blue background represents the sky, the primary theater of Air Force operations. The poised cobra, wrapped around the radar search tower, symbolizes preparedness to strike back at enemies. The radar, both height finder and search, represents ability to detect. The camouflaged aircraft represents power to engage, identify, and designate command and control capabilities in a combat situation.

Motto: PRO OBSERVATIO POSITIVA- For Positive Control.
Approved on 29 Sep 1967.
 


A bit of history. The 621st TCS lives on at Osan AB Korea as the 621st ACS.  Its patch is a cobra wrapped around a radar antenna. I was commander of Det 1, 621st TCS a Yongmun San (Dragon Mountain) Korea from 1975-1976. Det 1 was the closest radar site to the DMZ on top of a 5000ft mountain. At some point in time the Air Force changed from TCS to ACS.

Tony Boyle
Major USAF retired

 

621st TCS Radar Sites and Call Signs

CALL SIGN

Det.

LOCATION

Active Dates

LION 3 Ubon (Ubon Ratchitani) 23 Feb1966 - 30 Jun 1975
BRIGHAM 4

Udorn, Thailand

DRESSY LADY

4

Khao Khieo, (Green Hill) 23 Feb 1966 - 31 Mar 1971

INVERT

5<

Nakhom Phanom

23 Feb 1966 - 1 Oct 1975
VIKING

6

Mukdahan 23 Feb 1966 - 1 Sep 1969
Unknown

7

Chang Mai Airport 23 Feb 1966 - 1 Sep 1969
DORA 8 Phitsanulok 23 Feb 1966 - 30 Jun 1970
Unknown

9

Takhli Airfield 23 Feb 1966 - 15 Jan 1968
Unknown

10

Bang Sung 23 Feb 1966 - 1968
Unknown OLAA Don Muang Airport 30 Sep 1973 - Jan 1976
Unknown OLAB Korat RTAB 31 Oct 1975 - 8 Jan 1976
  
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