Company:  ORBITAL SCIENCES CORP /DE ... (ORB)
Form Type:  8-K
Filing Date:  10/31/2011 
CIK:  0000820736 
Address:  45101 WARP DRIVE 
City, State, Zip:  DULLES, Virginia 20166 
Telephone:  703 406 5524 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$28.07  
Change: 
0.31 (1.12%)  
Trade Time: 
11:27 AM EST  
Market Cap: 
$1.70B
Description of Business
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  FORM 8-K
    SECTION 5 CORPORATE GOVERNANCE
      Item 5.03. Amendments to Articles of Incorporation or ...
    SECTION 9 FINANCIAL STATEMENTS AND EXHIBITS
      Item 9.01. Financial Statements and Exhibits.
    SIGNATURE
    EXHIBIT INDEX
  EXHIBIT 3.1
    AMENDED AND RESTATED BYLAWS
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