QuickLinks -- Click here to rapidly navigate through this document
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We have issued our reports dated March 7, 2012, 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 25, 2011. 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 21, 2009, File No. 333-172103, effective February 8, 2011 and File No. 333-173099, effective April 15, 2011), on Forms S-4 (File No. 333-167840, effective July 12, 2010, File No. 333-174745, effective June 20, 2011, File No. 333-174760, effective June 28, 2011 and File No. 333-177493, effective November 1, 2011) 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, File No. 333-171257, effective December 17, 2010, File No. 333-173383, effective April 8, 2011 and File No. 333-177494, effective October 25, 2011).
/s/ GRANT THORNTON LLP
San Diego, California
March 7, 2012
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM