UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: July 30, 2010 4:00 P.M.
Form: S-4
CIK: 0001166568
Company Name: ALION SCIENCE & TECHNOLOGY CORP
File Number: 333-167615
CIK: 0001393093
Company Name: Alion - BMH CORP
File Number: 333-167615-10
CIK: 0001393091
Company Name: Alion - CATI CORP
File Number: 333-167615-09
CIK: 0001493544
Company Name: Alion - IPS Corp
File Number: 333-167615-08
CIK: 0001393096
Company Name: Alion - JJMA CORP
File Number: 333-167615-07
CIK: 0001393092
Company Name: Alion - MA&D CORP
File Number: 333-167615-06
CIK: 0001393090
Company Name: Alion - METI CORP
File Number: 333-167615-05
CIK: 0001393097
Company Name: Human Factors Applications, Inc.
File Number: 333-167615-04
CIK: 0001493541
Company Name: Washington Consulting Government Services, Inc.
File Number: 333-167615-03
CIK: 0001393104
Company Name: Washington Consulting, Inc.
File Number: 333-167615-02
CIK: 0001493543
Company Name: Alion Canada (US) Corp
File Number: 333-167615-01