Exhibit 10.1
  Joinder Agreement Agreement Incremental Lender Incremental Lenders Borrower Administrative Agent
 RECITALS:
 WHEREAS Credit Agreement Administrative Agent
 WHEREAS
 NOW, THEREFORE
 I.
    
    Each Incremental Lender party hereto hereby agrees to commit to provide its Incremental
Facility Term Loan Commitment, as set forth on Schedule A annexed hereto, on the terms and
subject to the conditions set forth below:II.
    
    Each Incremental Lender (i) confirms that it has received a copy of the Credit Agreement
and the other Loan Documents, together with copies of the financial statements referred to therein
and such other documents and information as it has deemed appropriate to make its own credit
analysis and decision to enter into this Agreement; (ii) agrees that it will, independently and
without reliance upon the Administrative Agent, or any other Incremental Lender or any other
Funding Party and based on such documents and information as it shall deem appropriate at the time,
continue to make its own credit decisions in taking or not taking action under the Credit
Agreement; (iii) appoints and authorizes the Administrative Agent to take such action as agent on
its behalf and to exercise such powers under the Credit Agreement and the other Loan Documents as
are delegated to the Administrative Agent by the terms thereof, together with such powers as are
reasonably incidental thereto; and (iv) agrees that it will perform in accordance with their terms
all of the obligations which by the terms of this Agreement and the Credit Agreement are required
to be performed by it as an Incremental Lender.III.
    
    Each Incremental Lender hereby agrees to make its respective Incremental
Facility Term Loan Commitment on the following terms and conditions:




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1.
    
    Applicable Margin.    The Applicable Margin for the Incremental Facility Term Loans shall
mean, as of any date of determination, a percentage per annum as set forth below:
 ABR Loans
    
    Eurodollar Loans3.00%
    
    4.00%
  Eurodollar Base Rate1.00  Eurocurrency Reserve Requirements
 Principal Payments
 (A)
    
    (B)Payment
    
    Scheduled Repayment ofDate
    
    Incremental Facility Term LoansSeptember 2008
    
    $470,000December 2008
    
    $470,000March 2009
    
    $470,000June 2009
    
    $470,000September 2009
    
    $470,000December 2009
    
    $470,000March 2010
    
    $470,000June 2010
    
    $470,000September 2010
    
    $470,000December 2010
    
    $470,000March 2011
    
    $470,000June 2011
    
    $470,000September 2011
    
    $470,000Term Loan Maturity Date
    
    $193,890,000




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Voluntary and Mandatory Prepayments
 Proposed Borrowing Proposed Borrowing
 I.
    
    BUSINESS DAY OF PROPOSED BORROWING: MAY 6, 2008II.
    
    AMOUNT OF PROPOSED BORROWING: $200,000,000III.
    
    INTEREST RATE OPTION: EURODOLLAR LOAN(S) WITH AN INITIAL INTEREST PERIOD
ENDING ON MAY 30, 2008 (WHICH FOR PURPOSES OF CALCULATING THE EURODOLLAR BASE RATE
SHALL BE DEEMED TO BE AN INTEREST PERIOD OF ONE MONTH)
 Incremental Lenders
 Closing Fee
 Credit Agreement Governs
 Conditions Precedent to Effectiveness of the Incremental Facility Term Loans Closing Date




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Notice
 Non-US Funding Parties
 Recordation of the New Loans
 Amendment, Modification and Waiver
 Entire Agreement
 14. GOVERNING LAW. THIS AGREEMENT AND THE RIGHTS AND OBLIGATIONS OF THE PARTIES HEREUNDER
SHALL BE GOVERNED BY, AND SHALL BE CONSTRUED AND ENFORCED IN ACCORDANCE WITH THE LAWS OF THE STATE
OF NEW YORK.
 Severability
 Counterparts




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IN WITNESS WHEREOF
 VOUGHT AIRCRAFT INDUSTRIES, INC.By:
    /s/ KEITH HOWEName:
    Keith HoweTitle:
    Vice President and ChiefFinancial Officer




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INCREMENTAL LENDERS
 LEHMAN BROTHERS COMMERCIAL BANK,By:
    /s/ BRIAN McNANYName:  Brian McNanyTitle:    Authorized SignatoryNotice Address:
Attention:
Telephone:
Facsimile:




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Consented to by:
LEHMAN COMMERCIAL PAPER
INC., as Administrative AgentBy:
    /s/ DIANA ALBANESEName:
    Diana AlbaneseTitle:
    Authorized Signatory




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SCHEDULE A
TO JOINDER AGREEMENT
 Name of Incremental Lender
    
    Type of Commitment
    
    AmountLehman Brothers
    
    Incremental Facility Term
    
    $200,000,000Commercial Bank
    
    Loan Commitment