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  <TITLE> Argon ST, Inc. (Form: 8-K) </TITLE>
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  		UNITED STATES<BR>
  	SECURITIES AND EXCHANGE COMMISSION
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  	WASHINGTON, D.C. 20549
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  	FORM 8-K
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  	CURRENT REPORT
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  	Pursuant to Section&nbsp;13 or 15(d) of the Securities Exchange Act of 1934
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  	Date of Report (Date of Earliest Event Reported):
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  	&nbsp;
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  	June 9, 2006
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  	Argon ST, Inc.
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  <BR>__________________________________________<BR>
  	(Exact name of registrant as specified in its charter)
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  	Delaware
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  	000-08193
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  	38-1873250
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  _____________________<BR>
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  _____________<BR>
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  ______________<BR>
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  	of incorporation)
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  	File Number)
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  	Identification No.)
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  	12701 Fair Lakes Circle, Suite 800, Fairfax, Virginia
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  	22033
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  _________________________________<BR>
  	(Address of principal executive offices)
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  	&nbsp;
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  ___________<BR>
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  	Registrant&#146;s telephone number, including area code:
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  	&nbsp;
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  	703-322-0881
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  	Not Applicable
  <BR>______________________________________________<BR>
  	Former name or former address, if changed since last report
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  	&nbsp;
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  <!-- CoverPageRegistrant END --><P><FONT SIZE="2">
  Check the appropriate box below if the Form 8-K filing is intended to
  simultaneously satisfy the filing obligation of the registrant under any
  of the following provisions:</FONT>
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  <P><FONT SIZE="2">
  [&nbsp;&nbsp;]&nbsp;&nbsp;Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))<br>
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  	Item 1.01 Entry into a Material Definitive Agreement.
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  On June 12, 2006, Argon ST, Inc. (the "Company") announced that it entered into a definitive merger agreement (the "Merger Agreement") to acquire San Diego Research Center Incorporated (SDRC) for $41,000,000 cash.  In addition, Argon ST has agreed to pay retention bonuses of approximately ten percent of the purchase price over four years which will be charged to operations.  Pursuant to the transaction, a wholly owned subsidiary of Argon ST will merge with and into SDRC.  The acquisition is subject to customary conditions which the parties expect will be met to facilitate a closing within 30 days.<br><br>The foregoing description of the terms of the acquisition is qualified by reference to the Agreement, which is attached hereto as Exhibit 2.1.  The Company&#x2019;s press release announcing the signing of the Merger Agreement, dated June 12, 2006, is attached as Exhibit 99.1<br><br>
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  	Item 9.01 Financial Statements and Exhibits.
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  (d)	Exhibits<br><br><br>	Exhibit Number			Description						<br>	2.1		Agreement and Plan of Merger, Dated as of June 9, 2006, by and among Argon ST, Inc., Argon ST Merger Sub, Inc., San Diego Research Center, Incorporated, Lindsay McClure, Thomas Seay and Harry B. Lee, Trustee of the HBL and BVL Trust<br><br>	99.1		Press Release, dated June 12, 2006, issued by Argon ST, Inc.
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  	SIGNATURES
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  	Pursuant to the requirements of the Securities Exchange Act of 1934, the
  	registrant has duly caused this report to be signed on its behalf by the
  	undersigned hereunto duly authorized.
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  	Argon ST, Inc.
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  	&nbsp;&nbsp;
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  <I>
  	June 14, 2006
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  	By:
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  <I>
  	Victor F. Sellier
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  	&nbsp;
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  <I>
  	Name: Victor F. Sellier
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  <I>
  	Title: Vice President - Business Operations and Chief Financial Offericer
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  	Exhibit&nbsp;Index
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  	Exhibit No.
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  	Description
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  	2.1
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  	&nbsp;
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  Agreement and Plan of Merger, dated as of June 9, 2006, by and among Argon ST, Inc., Argon ST Merger Sub, Inc., San Diego Research Center, Incorporated, Lindsay McClure, Thomas Seay and Harry B. Lee, Trustee of the HBL and BVL Trust
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  	99.1
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  	&nbsp;
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  Press Release, dated June 12, 2006, issued by Argon ST, Inc.
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metadata_documents: [{"type": "8-K", "sequence": "1", "filename": "htm_13173.htm", "description": "LIVE FILING", "secsgml_size_bytes": 11436}]
metadata_filer: {"company-data": {"conformed-name": "ARGON ST, Inc.", "cik": "0000026537", "assigned-sic": "3829", "irs-number": "381873250", "state-of-incorporation": "DE", "fiscal-year-end": "0930"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-08193", "film-number": "06905312"}, "business-address": {"street1": "8419 TERMINAL ROAD", "street2": "P O BOX 1869", "city": "NEWINGTON", "state": "VA", "zip": "22122-1430", "phone": "(703)550-7000"}, "mail-address": {"street1": "8419 TERMINAL ROAD", "city": "NEWINGTON", "state": "VA", "zip": "22122-1430"}, "former-company": [{"former-conformed-name": "SENSYTECH INC", "date-changed": "20000118"}, {"former-conformed-name": "SENSYS TECHNOLOGIES INC", "date-changed": "19980615"}, {"former-conformed-name": "DAEDALUS ENTERPRISES INC", "date-changed": "19920703"}]}
text: Argon ST, Inc. (Form: 8-K)
  UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION
  WASHINGTON, D.C. 20549
  FORM 8-K
  CURRENT REPORT
  Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
  Date of Report (Date of Earliest Event Reported):
  June 9, 2006
  Argon ST, Inc.
  __________________________________________
  (Exact name of registrant as specified in its charter)
  Delaware
  000-08193
  38-1873250
  _____________________
  (State or other jurisdiction
  _____________
  (Commission
  ______________
  (I.R.S. Employer
  of incorporation)
  File Number)
  Identification No.)
  12701 Fair Lakes Circle, Suite 800, Fairfax, Virginia
  22033
  _________________________________
  (Address of principal executive offices)
  ___________
  (Zip Code)
  Registrant's telephone number, including area code:
  703-322-0881
  Not Applicable
  ______________________________________________
  Former name or former address, if changed since last report
  Check the appropriate box below if the Form 8-K filing is intended to
  simultaneously satisfy the filing obligation of the registrant under any
  of the following provisions:
  [  ]  Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
  [  ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
  [  ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
  [  ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
  Top of the Form
  Item 1.01 Entry into a Material Definitive Agreement.
  On June 12, 2006, Argon ST, Inc. (the "Company") announced that it entered into a definitive merger agreement (the "Merger Agreement") to acquire San Diego Research Center Incorporated (SDRC) for $41,000,000 cash.  In addition, Argon ST has agreed to pay retention bonuses of approximately ten percent of the purchase price over four years which will be charged to operations.  Pursuant to the transaction, a wholly owned subsidiary of Argon ST will merge with and into SDRC.  The acquisition is subject to customary conditions which the parties expect will be met to facilitate a closing within 30 days.
  The foregoing description of the terms of the acquisition is qualified by reference to the Agreement, which is attached hereto as Exhibit 2.1.  The Company's press release announcing the signing of the Merger Agreement, dated June 12, 2006, is attached as Exhibit 99.1
  Item 9.01 Financial Statements and Exhibits.
  (d)	Exhibits
  Exhibit Number			Description
  2.1		Agreement and Plan of Merger, Dated as of June 9, 2006, by and among Argon ST, Inc., Argon ST Merger Sub, Inc., San Diego Research Center, Incorporated, Lindsay McClure, Thomas Seay and Harry B. Lee, Trustee of the HBL and BVL Trust
  99.1		Press Release, dated June 12, 2006, issued by Argon ST, Inc.
  Top of the Form
  SIGNATURES
  Pursuant to the requirements of the Securities Exchange Act of 1934, the
  	registrant has duly caused this report to be signed on its behalf by the
  	undersigned hereunto duly authorized.
  Argon ST, Inc.
  June 14, 2006
  By:
  Victor F. Sellier
  Name: Victor F. Sellier
  Title: Vice President - Business Operations and Chief Financial Offericer
  Top of the Form
  Exhibit Index
  Exhibit No.
  Description
  2.1
  Agreement and Plan of Merger, dated as of June 9, 2006, by and among Argon ST, Inc., Argon ST Merger Sub, Inc., San Diego Research Center, Incorporated, Lindsay McClure, Thomas Seay and Harry B. Lee, Trustee of the HBL and BVL Trust
  99.1
  Press Release, dated June 12, 2006, issued by Argon ST, Inc.