Company:  ORBITAL SCIENCES CORP /DE ... (ORB)
Form Type:  10-K
Filing Date:  2/29/2012 
CIK:  0000820736 
Address:  45101 WARP DRIVE 
City, State, Zip:  DULLES, Virginia 20166 
Telephone:  703 406 5524 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$27.58  
Change: 
-0.15 (-0.54%)  
Trade Time: 
04:00 PM EST  
Market Cap: 
$1.67B
Description of Business
We develop and manufacture small- and medium-class rockets and space systems for commercial, military and civil government customers, including the U.S. Department of Defense ("DoD"), the National Aeronautics and Space Administration ("NASA"), other U.S. Government agencies, and major domestic and international commercial satellite operators. Our products and services are grouped into three reportable business segments: launch vehicles, satellites and space systems, and advanced space programs, which are described below. ? Launch Vehicles - Rockets that are used as small- and medium-class space launch vehicles that place satellites into Earth orbit and escape trajectories, interceptor and target vehicles for missile defense systems, and suborbital launch vehicles that place payloads into a variety of high-altitude trajectories.
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  FORM 10-K
    PART I
      Item 1. Business
        NAME AND TITLE
      Item 1A. Risk Factors
      Item 1B. Unresolved Staff Comments
      Item 2. Properties
      Item 3. Legal Proceedings
      Item 4. Mine Safety Disclosures
    PART II
      Item 5. Market for Registrant's Common Equity, Related ...
      Item 6. Selected Financial Data
      Item 7. Management's Discussion and Analysis of Financial ...
        Liquidity and Capital Resources
      Item 7A. Quantitative and Qualitative Disclosures About ...
      Item 8. Financial Statements and Supplementary Data
        Report of Independent Registered Public Accounting Firm
        INCOME STATEMENT
        BALANCE SHEET
        STOCKHOLDERS EQUITY
        CASH FLOW
        NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
        BENEFICIAL OWNERS
    VALUATION AND QUALIFYING ACCOUNTS
    PART II
      Item 9. Changes in and Disagreements with Accountants on ...
      Item 9A. Controls and Procedures
      Item 9B. Other Information
    PART III
      Item 10. Directors, Executive Officers and Corporate Governance
      Item 11. Executive Compensation
      Item 12. Security Ownership of Certain Beneficial Owners and ...
      Item 13. Certain Relationships and Related Transactions, and ...
      Item 14. Principal Accounting Fees and Services
    PART IV
      Item 15. Exhibits and Financial Statement Schedule
    EXHIBIT INDEX
  EXHIBIT 12
    RATIO COMPUTATION
  EXHIBIT 23
  EXHIBIT 31.1
    Certification
  EXHIBIT 31.2
    Certification
  EXHIBIT 32.1
  EXHIBIT 32.2
  EXHIBIT 10.18
  EXHIBIT 10.20
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