Exhibit 4.26
 ALION DIRECTOR DEFERRED COMPENSATION PLAN
 AS AMENDED AND RESTATED EFFECTIVE JANUARY 1, 2008




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ALION DIRECTOR DEFERRED COMPENSATION PLAN
AS AMENDED AND RESTATED EFFECTIVE JANUARY 1, 2008
 ARTICLE I  PURPOSE
  ARTICLE II  DEFINITIONS
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ARTICLE III  SELECTION, ENROLLMENT AND ELIGIBILITY
 Enrollment Requirements
 Eligibility; Commencement of Participation
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Termination of Participation and/or Deferrals
 ARTICLE IV  DEFERRAL ELECTIONS/CREDITING/TAXES
 Deferrals
 Deferral
    
    Minimum AmountAnnual Directors Fees
    
    0% to 100%, in 1% incrementsSAR or Phantom Stock Payments
    
    0% or 100%
  Election to Defer; Effect of Election Form
 Annual Election Forms
 Timing of Election to Defer Annual Directors Fees
 New Members
 SAR and Phantom Stock Awards
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Timing and Method of Distribution
 Withholding of Annual Deferral Amounts
 Crediting/Debiting of Account Balances
 Election of Measurement Funds for Deferral Account
 Proportionate Allocation
 Measurement Funds
 Crediting or Debiting Method
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No Actual Investment shall not
 ARTICLE V  DISTRIBUTIONS
 Scheduled Distributions
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Retirement, Death, Disability or Other Termination of Service
 Initial Distribution Election
 Changes in Distribution Election
 Death
 Distribution Event
 Method of Payment
 Lump Sum Payment
 Installment Distribution
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Death of Participant or Beneficiary During Installment Distribution Period
 Payment Commencement Date 1 2
 Transition Rule Election .
 Acceleration of Payment Date
 Compliance with Domestic Relations Order
 Conflicts of Interest
 Section 409(p)
 Tax Event
 Delay of Payments
 Payments Subject to the Code Section 162(m)
 Violation of Law
 Other Permitted Event
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ARTICLE VI  HARDSHIP
 Withdrawal for Hardship
 ARTICLE VII  BENEFICIARY DESIGNATION
 Beneficiary
 Beneficiary Designation and Change of Beneficiary
 Acknowledgment
 No Beneficiary Designation
 Doubt as to Beneficiary
 Discharge of Obligations
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ARTICLE VIII  TERMINATION, AMENDMENT OR MODIFICATION
 Termination
 Amendment
 ARTICLE IX  ADMINISTRATION
 Committee Duties
 Administration Upon Change In Control
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Agents
 Binding Effect of Decisions
 Indemnity of Committee
 Employer Information
 ARTICLE X  OTHER BENEFITS AND AGREEMENTS
 Coordination with Other Benefits
 ARTICLE XI  CLAIMS PROCEDURES
 Presentation of Claim
 Notification of Decision
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Review of a Denied Claim
    Decision on Review
    Legal Action
 ARTICLE XII  TRUST
 Establishment of the Trust
 Interrelationship of the Plan and the Trust
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Investment of Trust Assets
 Distributions From the Trust
 ARTICLE XIII  MISCELLANEOUS
 Status of Plan
 Unsecured General Creditor
 Employers Liability
 Nonassignability
 Continued Board Service
 Furnishing Information
 Terms
 Captions
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Governing Law
 Notice
 Stacy Mendler
   Successors
 Validity
 Incompetent
 Court Order
 Trust
 Legal Fees To Enforce Rights After Change in Control
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IN WITNESS WHEREOF
 Alion Science and Technology CorporationBy:
    
    /s/ Bahman Atefi

Chief Executive Officer
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