UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: May 14, 2012 12:00 P.M.
Form: S-4
CIK: 0000906192
Company Name: SRA INTERNATIONAL, INC.
File Number: 333-180490
CIK: 0001542706
Company Name: Constella Group, LLC
File Number: 333-180490-04
CIK: 0001542707
Company Name: Platinum Solutions, Inc.
File Number: 333-180490-03
CIK: 0001542774
Company Name: Sentech, Inc.
File Number: 333-180490-02
CIK: 0001542708
Company Name: Touchstone Consulting Group, Inc.
File Number: 333-180490-01