Vietnam Security Police Association, Inc. (USAF): 621st TCS/SP.

621st Tactical Control Squadron

HISTORY

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 5000 ft mountain. At some point in time the Air Force changed from TCS to ACS.

Tony Boyle
Major USAF retired

Photo Submitted by: John W. Cook
aafww2@southwind.net

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, RTAFB
DRESSY LADY	4	Khao Khieo, (Green Hill)	23 Feb 1966 - 31 Mar 1971
INVERT	5	Nakhom Phanom RTAFB	23 Feb 1966 - 1 Oct 1975
VIKING	6	Mukdahan	23 Feb 1966 - 1 Sep 1969
	7	Chang Mai Airport	23 Feb 1966 - 1 Sep 1969
DORA	8	Phitsanulok	23 Feb 1966 - 30 Jun 1970
	9	Takhli RTAFB,	23 Feb 1966 - 15 Jan 1968
	10	Bang Sung	23 Feb 1966 - 1968
	OLAA	Don Muang Airport	30 Sep 1973 - Jan 1976
	OLAB	Korat RTAFB	31 Oct 1975 - 8 Jan 1976

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