UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 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): May 22, 2006

ALION SCIENCE AND TECHNOLOGY CORPORATION

(Exact Name of Registrant as Specified in its Charter)

Delaware
(State or Other Jurisdiction
of Incorporation) 333-89756
(Commission File Number) 54-2061691
(IRS Employer
Identification No.)

10 West 35th Street	1750 Tysons Boulevard
Chicago, IL 60616	Suite 1300
(312) 567-4000	McLean, VA 22102
	(703) 918-4480

(Address, including Zip Code and Telephone Number, including Area Code, of Principal Executive Offices)

     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 (see General Instruction A.2. below):

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o 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 May 22, 2006, the Registrant announced its acquisition of Micro Analysis & Design, Inc. (MA&D), a provider of human factors engineering, modeling and simulation and software development. The press release is filed as Exhibit 99.1 hereto and is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Press release of the Registrant dated May 22, 2006, announcing the acquisition of MA&D.

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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.

Date: May 22, 2006

ALION SCIENCE AND TECHNOLOGY CORPORATION
By:	/s/ James C. Fontana
	Name:	James C. Fontana
	Title:	Senior Vice President, General Counsel and Secretary

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