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): July 3, 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))

Item 8.01 Other Events.

On July 6, 2006, Argon ST, Inc. (the ‘Company’) announced that it completed the acquisition of San Diego Research Center Incorporated (SDRC), effective July 3, 2006, for approximately $41 million in cash. SDRC expects to recognize approximately $20 million in revenues for the fiscal year ending September 30, 2006, and is expected to increase Argon’s fourth quarter revenue by approximately $5 million. The acquisition is expected to be accretive in fiscal year 2007. The Company’s press release, dated July 6, 2006, is attached as Exhibit 99.1

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.
July 10, 2006	By:	Victor F. Sellier
		Name: Victor F. Sellier
		Title: Vice President - Business Operations and Chief Financial Officer

Exhibit Index

Exhibit No.	Description
99.1	Press Release, dated July 6, 2006, issued by Argon ST, Inc.