UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q/A

(Amendment No. 1)

(Mark One)

R	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2011
	OR
£	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	FOR THE TRANSITION PERIOD FROM                                                                                           TO

Commission file number 001-34135

DYNAMICS RESEARCH CORPORATION

(Exact name of registrant as specified in its charter)

MASSACHUSETTS	04-2211809
(State or other jurisdiction of Incorporation or organization)	(I.R.S. Employer Identification No.)

TWO TECH DRIVE, ANDOVER, MASSACHUSETTS 01810-2434

(Address of principal executive offices) (Zip Code)

978-289-1500

(Registrant’s telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.   Yes R   No £

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  R    No  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company.  See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	£	Accelerated filer  R
Non-accelerated filer	£ (Do not check if a smaller reporting company)	Smaller reporting company  £

Indicate by check mark whether the registrant is a shell Company (as defined in Rule 12b-2 of the Exchange Act).   Yes £   No R

As of July 31, 2011, there were 10,312,522 shares of the registrant’s common stock outstanding.

EXPLANATORY NOTE

This Amendment No. 1 to the Quarterly Report on Form 10-Q for the period ended June 30, 2011, of Dynamics Research Corporation. (the “Company”), as filed with the Securities and Exchange Commission on August 9, 2011 (the “Original Filing”), is being filed solely to furnish Exhibit 101 to the Original Filing, as required by Rule 405 of Regulation S-T and to update the cover page regarding the submission and posting of Interactive Data Files during the preceding 12 months.  Exhibit 101 provides certain items from the Original Filing formatted in eXtensible Business Reporting Language (XBRL).

This Amendment No. 1 does not affect any other information contained in the Original Filing.  This Form 10-Q/A speaks as of the original filing date of the Original Filing, does not reflect events that occurred subsequent to the original filing date, and does not modify or update in any way disclosures made in the Original Filing.

ITEM 6. EXHIBITS

The following Exhibits are filed or furnished, as applicable, herewith:

10.1*	Commitment Letter, dated as of June 2, 2011, by and among Dynamics Research Corporation, Bank of America, N.A., Merrill, Lynch, Pierce, Fenner and Smith Incorporated, SunTrust Bank, SunTrust Robinson Humphrey, Inc., PNC Bank, National Association and PNC Capital Markets, LLC.
10.2*	Commitment Letter, dated as of June 2, 2011, by and between Dynamics Research Corporation and Ares Management, LLC.
31.1*	Certification of the Chief Executive Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*	Certification of the Chief Financial Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1*	Certification of the Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2*	Certification of the Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS**	XBRL Instance Document
101.SCH**	XBRL Taxonomy Extension Schema Document
101.CAL**	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF**	XBRL Taxonomy Extension Definition Linkbase Document
101.LAB**	XBRL Taxonomy Extension Label Linkbase Document
101.PRE**	XBRL Taxonomy Extension Presentation Linkbase Document

*	Filed with the original Form 10-Q on August 9, 2011
**	Furnished with this Form 10-Q/A

SIGNATURE

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 thereunto duly authorized.

	DYNAMICS RESEARCH CORPORATION
	(Registrant)
Date:  September 9, 2011	/s/ David Keleher
	Senior Vice President, Chief Financial Officer and Treasurer
	(Principal Financial Officer)
Date:  September 9, 2011	/s/ Shaun N. McCarthy
	Vice President, Corporate Controller and Chief Accounting Officer
	(Principal Accounting Officer)