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CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We have issued our reports dated March 1, 2011, with respect to the consolidated financial statements and internal control over financial reporting included in the Annual Report of Kratos Defense & Security Solutions, Inc. on Form 10-K for the year ended December 26, 2010. We hereby consent to the incorporation by reference of said reports in the Registration Statements of Kratos Defense & Security Solutions, Inc. on Forms S-3 (File No. 333-161340, effective August 14, 2009 and File No. 333-172103, effective February 8, 2011), on Form S-4 (File No. 333-167840, effective June 28, 2010) and on Forms S-8 (File No. 333-90455, effective November 5, 1999, File No. 333-54818, effective February 1, 2001, File No. 333-71702, effective October 17, 2001, File No. 333-91852, effective July 2, 2002, File No. 333-116903, effective June 28, 2004, File No. 333-124957, effective May 16, 2005, File No. 333-127060, effective August 1, 2005, File No. 333-155317, effective November 12, 2008, File No. 333-157826, effective March 10, 2009, File No. 333-167839, effective June 28, 2010 and File No. 333-171257, effective December 17, 2010).
/s/ GRANT THORNTON LLP
San
Diego, California
March 1, 2011
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM